what is inertia and how is it related to the newton's first law of motion?

Answers

Answer 1

Answer:

Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object's speed, or direction of motion. An aspect of this property is the tendency of objects to keep moving in a straight line at a constant speed, when no forces act upon them.

Explanation:

Some sort of a local field, maybe not our A field, is really the cause of inertia. When you push on an object a gravitational disturbance goes propagating off into either the past or the future. Out there in the past or future the disturbance makes the distant matter in the universe wiggle.


Related Questions

Please help me Calculate the total energy stored in the capacitor​

Please help me Calculate the total energy stored in the capacitor

Answers

La fórmula: P = W/t  ó  W = P x t. donde:

P = potencia

W = trabajo

t = tiempo

Otra fórmula de potencia es: P= I x V

Proceso de carga de un capacitor - condensador

Una fórmula muy importante que también hay que tener en cuenta es: V = q/C que indica que el voltaje es proporcional a la carga que hay en un condensador.

De la fórmula de potencia P= I x V y considerando que la corriente es constante (corriente continua), entonces la potencia es proporcional al voltaje.  Si el voltaje aumenta en forma lineal, la potencia aumentará igual. Ver el siguiente diagrama.

Como la potencia varía en función del tiempo, no se puede aplicar la fórmula W = P x t, para calcular la energía transferida. Pero observando el gráfico, se ve que esta energía se puede determinar midiendo el área bajo la curva de la figura.

Energía Almacenada en un Condensador - Capacitor

 

El área bajo la curva es igual a la mitad de la potencia en el momento “t”, multiplicada por “t”.

Entonces: W = (P x t) / 2. Pero se sabe que P = V x I. Si se reemplaza esta última fórmula en la anterior se obtiene: W = (V x I x t) / 2, y como I x t = CV = Q, entonces para saber cuanta energía (W) hay en un condensador usamos una de las siguientes fórmulas:

W = (CV2/2) julios

W = (QV/2) julios

W  = (Q2/2C) julios

, donde:

W = Trabajo (Energía) en julios

C = Capacidad en faradios

V = voltaje en voltios en los extremos del condensador

Q = carga del condensador

Answer with the given explanations below: First the given formula that looks like this is: or where:

P = power

W = work

t = time

Next with another given power formula that looks like this is:

This is the charging process of a capacitor - capacitor #1.

Then it's a very important given formula that it must also be taken into account is: which it was indicated that the voltage is proportional to the charge on a capacitor.

In the following below, from the given power formula that looks like this is: and we are considering that the current is the constant (direct current), and then the power is proportional to the voltage. If the voltage increases linearly, the power will increase the same. See the following diagram. (I'm sorry, Yhungbabe, I don't have the diagram to show you in order to refer to the total energy stored in the capacitor because I havenèt learned the energy stored in the capacitor)

Anyway, since the power varies as a function of the time, the given formula that looks like this is: cannot be applied to calculate the energy transferred. But looking at the graph, it seems that this energy can also be determined by measuring the area under the curve of the figure.

This is The Energy Stored in a Capacitor - Capacitor #2.

The area under the curve is equal to the half of the power at time "t", being multiplied by "t".

Then with the given formula below that looks like this is:

But it's known that If this is the last given formula is being replaced in the previous one, we obtain the new given formula that looks like this is: and as another new given formula that looks like this is: there's so to find out how much energy (W) that there's in a capacitor that we use in one of the new given formulas that looks like in the listed below are:

joules

joules

joules  

Now finally where:

W = Work (In The Energy) in Joules

C = Capacity in the farads

V = voltage in the volts at the ends of the capacitor

Q = a capacitor charge

I apologize for the late answer and the replies, so anyway, I use the online language translator in order to translate Spanish to English for you in order to understand my work given below, so, I hope my answer with the given explanation below here is very helpful to your own question about how to calculate the total energy stored in the capacitor with the image has been provided, please mark me as Brainliest and have a great rest of the day! :D

Sincerely,

Jason Ta,

The Ambitious of The Brainly And The Role of The TDSB And WHCI Student of The High School.

calculate the volume of a 6m naoh solution required to prepare 250 ml of 0.12m naoh. show all your work.

Answers

To prepare 250ml of 0.12M NaOH, only 5ml of the 6M NaOH solution is required

To calculate the volume of a 6M NaOH solution required to prepare 250 ml of 0.12M NaOH, we need to use the formula: C1V1 = C2V2
where C1 is the concentration of the stock solution, V1 is the volume of the stock solution, C2 is the concentration of the diluted solution, and V2 is the volume of the diluted solution.
In this case, we know that C1 = 6M, V1 is what we want to find, C2 = 0.12M, and V2 = 250ml.
Rearranging the formula to solve for V1, we get:
V1 =\frac{ (C2 x V2)}{C1}
Plugging in the numbers, we get:
V1 = \frac{(0.12M x 250ml)}{6M}

V1 = 5ml
Therefore, we only need 5ml of the 6M NaOH solution to prepare 250ml of 0.12M NaOH.

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what is the work done on the ball by the 10 n tension force in the string during one revolution of the ball?

Answers

The work done on the ball by the 10 N tension force is zero ( 0 Joules).

Given that:

The circumference(displacement d) of the ball = 3 m

the tension force of the ball = 10 N

the angle θ between the tension force and the displacement =90°

∴Using the work equation;

W = F × d cos θ

W = 10×3× cos (90)

W = 10 × 3 × 0

W = 0 Joules

The definition of work done includes both the forces applied to the body and the total displacement of the body. A constant force F is present before to this block. The goal of this force is to move the body d meters in a straight line in the force's direction.

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WHICH ONE IS IT????

RINGS

POINT

GRAPH

READS

TALKS

WHICH ONE IS IT????RINGSPOINTGRAPHREADSTALKS

Answers

Answer:  c or b

Explanation:

graph or points would be the answer


The maximum speed of a child on a swing is 6 m/s. What is the
maximum height of the child on the swing relative to her lowest
height on the swing?

Answers

The maximum height of the child on the swing relative to her lowest height is determined by the conservation of mechanical energy, where the maximum height can be calculated using the maximum speed. Hence, the maximum height of the child on the swing relative to her lowest height is approximately 1.84 meters.

When a child is on a swing, the total mechanical energy is conserved, assuming negligible air resistance. The mechanical energy is the sum of the kinetic energy (KE) and the potential energy (PE). At the highest point of the swing, the kinetic energy is zero, as the child comes to a momentary stop before changing direction. At the lowest point of the swing, the potential energy is zero, as it is fully converted into kinetic energy.

Since the maximum speed is given as 6 m/s, this represents the maximum kinetic energy of the child on the swing. At the highest point, all the kinetic energy is converted into potential energy. Therefore, the maximum height can be calculated using the conservation of energy equation:

KE_max = PE_max

1/2 mv^2 = mgh_max

Simplifying the equation, we can solve for h_max:

h_max = (v^2) / (2g)

Substituting the given values, where v = 6 m/s and g is the acceleration due to gravity (approximately 9.8 m/s^2), we can calculate the maximum height:

h_max = (6^2) / (2 * 9.8) ≈ 1.84 meters

Therefore, the maximum height of the child on the swing relative to her lowest height is approximately 1.84 meters.

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Compile and share a list of "highly applicable tips" (8-10
points) related to organizational behavior and leadership. To
format your points properly, position yourself as a management
consultant who i

Answers

Each organization is unique, so tailor these tips to fit your specific context and needs. As a management consultant, I recommend assessing your organization's current state and identifying areas for improvement to implement these tips effectively.

As a management consultant, here is a compiled list of highly applicable tips related to organizational behavior and leadership:

1. Foster a positive organizational culture: Create a work environment that values collaboration, open communication, and employee well-being. Encourage a culture of respect, trust, and support.

2. Lead by example: As a leader, set a positive example through your actions and behaviors. Demonstrate the values and behaviors you expect from your team members.

3. Effective communication: Communication is crucial for building strong relationships and ensuring clarity. Practice active listening, provide constructive feedback, and encourage open and honest communication channels within the organization.

4. Empower and delegate: Trust your team members and empower them to take ownership of their work. Delegate tasks effectively, matching responsibilities with individuals' strengths and skills.

5. Encourage innovation and creativity: Foster an environment that encourages new ideas, creativity, and innovation. Provide opportunities for employees to contribute their ideas and reward innovative thinking.

6. Develop and support talent: Invest in employee development and provide opportunities for growth and learning. Offer training programs, mentorship, and coaching to help employees reach their full potential.

7. Build strong teams: Focus on building cohesive and high-performing teams. Foster collaboration, encourage diversity of thought, and promote teamwork to achieve collective goals.

8. Embrace change and adaptability: Organizational success often relies on the ability to adapt to changing circumstances. Encourage a mindset of flexibility, adaptability, and continuous improvement.

9. Practice ethical leadership: Uphold high ethical standards and lead with integrity. Make ethical decisions, promote fairness, and hold yourself and others accountable for ethical conduct.

10. Recognize and appreciate employees: Acknowledge and appreciate the contributions of your team members. Celebrate achievements, provide recognition, and offer rewards and incentives to motivate and retain talent.

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If the ring rolls (without slipping) all the way to point 2, what is the ring's energy at point 2 in terms of h2 and v2?

Answers

Answer:

Following are the response to the given question:

Explanation:

\(F_2=mgh_2+\frac{1}{2}mv_2^2+\frac{1}{2}mR^2(W)^2\\\\\therefore \\\\ \to WR=v_2\\\\E_2=Mgh_2+MV_2^2\)

If the ring rolls (without slipping) all the way to point 2, what is the ring's energy at point 2 in

An astronaut is moving in space when a big explosion occurs about 50 meters behind him. How will the astronaut come to know about the explosion?
Choose:--
From the sound of the explosion
From the light due to the explosion
From light and sound due to the explosion
From the vibrations due to the explosion

Answers

Answer:

The correct answer is B.

The astronaut will know due to the light from the explosion.

Explanation:

Sound and vibrations require a medium such as air to travel through. Space, there is no air. Only a vacuum. So sound and vibrations are unable to travel. Light requires no medium to travel. It can go through a vacuum.  

Therefore the Astronaut will see a bright flash of light as it travels from the explosion to outer space. It is also important to note that light can travel very far because nothing else interacts with its wave particles and as such, it cannot be impeded.

Cheers!

A horizontal wire of length 3.0 m carries a current of 6.0 A and is oriented so that the current direction is 50 ∘ S of W. The Earth's magnetic field is due north at this point and has a strength of 0.14×10 ^−4 T. What are the magnitude and direction of the force on the wire? 1.9×10 N ^−4 , out of the Earth's surface None of the choices is correct. 1.6×10 N ^−4 , out of the Earth's surface 1.9×10 N ^−4 , toward the Earth's surface 1.6×10 N ^−4 , toward the Earth's surface

Answers

The magnitude of the force on the wire is 1.9 × 10⁻⁴ N. The direction of the current is 50° south of the west. 1.9×10 N⁻⁴, out of the Earth's surface is the correct option.

Length of the horizontal wire, L = 3.0 m

Current flowing through the wire, I = 6.0 A

Earth's magnetic field, B = 0.14 × 10⁻⁴ T

Angle made by the current direction with due west = 50° south of westForce on a current-carrying wire due to the Earth's magnetic field is given by the formula:

F = BILsinθ, where

L is the length of the wire, I is the current flowing through it, B is the magnetic field strength at that location and θ is the angle between the current direction and the magnetic field direction

Magnitude of the force on the wire is

F = BILsinθF = (0.14 × 10⁻⁴ T) × (6.0 A) × (3.0 m) × sin 50°F = 1.9 × 10⁻⁴ N

Earth's magnetic field is due north, the direction of the force on the wire is out of the Earth's surface. Therefore, the correct option is 1.9×10 N⁻⁴, out of the Earth's surface.

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Review the following situations and determine whether each is an elastic collision or an inelastic collision. Choose the situations that are elastic collisions. Select all that apply.
A. Momentum is conserved; kinetic energy is not.
B. A moving hockey puck strikes one at rest; the objects exchange velocity.
C. Momentum and kinetic energy are conserved.
D. A collision between a volleyball and a basketball occurs; there is no deformation.
E. After a collision, objects are stuck together, moving together.

Answers

Answer:

Your answer would be D.

A charged particle that has gained or lost electrons is called a:.

Answers

Answer:

A particle that has gained: Anion

A particle that has lost: Cation

Explanation:

\({}\)

The specific heat of aluminum is 0.90 J/g•°C and of iron is 0.45 J/g•°C. How much energy was absorbed by each 1-gram sample?​

Answers

Answer:

The temperature of 1 gram of aluminum rises 5.6 C degrees and the temperature of 1 gram of iron rises 11.1 C degrees.

Answer:

He is right

Explanation:

During an all-night cram session, a student heats up a 0.858 liter (0.858 x10 −3
m 3
) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 18.2 ∘
C, and the beaker is filled to the brim. A short time later when the student returns, the temperature has risen to 90.6 ∘
C. The coefficient of volume expansion of coffee is the same as that of water. How much coffee (in cubic meters) has spilled out of the beaker?

Answers

approximately 2.093 x 10^(-6) cubic meters (or 2.093 milliliters) of coffee has spilled out of the beaker.To calculate the volume of coffee that has spilled out of the beaker, we can use the concept of thermal expansion. The change in volume is given by the formula ΔV = βVΔT, where β is the coefficient of volume expansion, V is the initial volume, and ΔT is the change in temperature.

First, let's convert the initial volume to cubic meters: V = 0.858 x 10^(-3) m^3.
Next, we calculate the change in temperature: ΔT = 90.6 - 18.2 = 72.4 °C.
The coefficient of volume expansion for water (and coffee) is approximately β = 3.4 x 10^(-4) °C^(-1).
Plugging in these values into the formula, we get:
ΔV = (3.4 x 10^(-4) °C^(-1)) * (0.858 x 10^(-3) m^3) * (72.4 °C) = 2.093 x 10^(-6) m^3.

Therefore, approximately 2.093 x 10^(-6) cubic meters (or 2.093 milliliters) of coffee has spilled out of the beaker.

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Use the ratio version of Kepler’s third law and the orbital information of Mars to determine Earth’s distance from the Sun. Mars’s orbital period is 687 days, and Mars’s distance from the Sun is 2. 279 × 1011 m. 1. 49 × 1011 m 1. 49 × 1033 m 3. 34 × 1011 m 3. 34 × 1033 m.

Answers

Kepler's third law is used to determine the relationship between the orbital period of a planet and the radius of the planet.

The distance of the earth from the sun is \(1.50 \times 10^{11}\;\rm m\).

What is Kepler's third law?

Kepler's Third Law states that the square of the orbital period of a planet is directly proportional to the cube of the radius of their orbits. It means that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit.

\(T^2 \propto R^3\)

Given that Mars’s orbital period T is 687 days, and Mars’s distance from the Sun R is 2.279 × 10^11 m.

By using Kepler's third law, this can be written as,

\(T^2 \propto R^3\)

\(T^2 = kR^3\)

Substituting the values, we get the value of constant k for mars.

\(687^2 = k\times (2.279 \times 10^{11})^3\)

\(k = 3.92 \times 10^{-29}\)

The value of constant k is the same for Earth as well, also we know that the orbital period for Earth is 365 days. So the R is calculated as given below.

\(365^3 = 3.92\times 10^{-29} R^3\)

\(R^3 = 3.39 \times 10^{33}\)

\(R= 1.50 \times 10^{11}\;\rm m\)

Hence we can conclude that the distance of the earth from the sun is \(1.50 \times 10^{11}\;\rm m\).

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Which statements describe how a machine can help make work easier? Select two options.
It can put out more force than the input force by decreasing the distance through which force is applied.
It can increase the amount of work performed if the output force is in the same direction as the input force.
It can apply a force to an object in a different direction than the force applied to the machine.
It can increase the distance through which a force acts by exerting less force than was used on it.
It can exert a greater force through a greater distance than the force used on the machine.

Answers

Answer:

It can put out more force than the input force by decreasing the distance through which force is applied.It can apply a force to an object in a different direction than the force applied to the machine.

Explanation:

Assuming the machine is a simple machine, such as a lever or pulley, the machine will not do any more work than is put into it. However, it can change the magnitude or direction (or both) of the input force required to achieve a particular output force.

Because the machine does not increase the work done, if the output force is greater, the output distance must be less.

The applicable observations are ...

It can put out more force than the input force by decreasing the distance through which force is applied.It can apply a force to an object in a different direction than the force applied to the machine.

question under "motion under gravity" ​

Answers

Answer:

Motion under gravity refers to the movement of an object whose vertical motion is affected by the presence of gravity. The force that attracts objects downwards is GRAVITY. In fact, gravity works towards the centre of the Earth.

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A 222 kg snowmobile is traveling at 24.21 m/s. How fast would a 306.3 kg snowmobile need to travel in order to have the same momentum?

Answers

The velocity is  17.5 m/s.

What is the momentum?

Momentum is a measure of an object's motion and is defined as the product of its mass and velocity. It is a vector quantity, meaning it has both magnitude and direction.

Momentum of the snowmobile = 222 kg * 24.21 m/s.

= 5374.62 Kgm/s

Velocity of the other snowmobile = 5374.62 Kgm/s/306.3 kg

= 17.5 m/s

Thus we observe that the momentum can be used to obtain the velocity of the object we have here. In physics, momentum is a vector quantity, meaning it has both magnitude and direction.

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“Active listening” means to _______________. a. be quiet when someone is speaking b. check your understanding of what someone said c. ask questions about what someone said and meant d. all of the above Please select the best answer from the choices provided A B C D

Answers

Answer:

All of the above is the correct answer!!!

Explanation:

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Given that the Sun's lifetime is about 10 billion years, estimate the life expectancy of a a) 0.2-solar mass, 0.01-solar luminosity red dwarf b) a 3-solar mass, 30-solar luminosity star c) a 10-solar mass, 1000-solar luminosity star

Answers

The life expectancy of the given stars are:a) 0.2-solar mass, 0.01-solar luminosity red dwarf: 10 trillion yearsb) 3-solar mass, 30-solar luminosity star: 10 million yearsc) 10-solar mass, 1000-solar luminosity star: 10 million years.

The life expectancy of a star is determined by its mass and luminosity. The more massive and luminous the star is, the shorter its life expectancy is. Hence, using this information, we can estimate the life expectancy of the following stars:a) 0.2-solar mass, 0.01-solar luminosity red dwarfRed dwarfs are known to have the longest life expectancies among all types of stars. They can live for trillions of years.

Hence, a 0.2-solar mass, 0.01-solar luminosity red dwarf is expected to have a much longer life expectancy than the Sun. It could live for up to 10 trillion years or more.b) 3-solar mass, 30-solar luminosity starA 3-solar mass, 30-solar luminosity star is much more massive and luminous than the Sun. As a result, it will have a much shorter life expectancy than the Sun.

Based on its mass and luminosity, it is estimated to have a lifetime of around 10 million years.c) 10-solar mass, 1000-solar luminosity starA 10-solar mass, 1000-solar luminosity star is extremely massive and luminous. It will burn through its fuel much faster than the Sun, resulting in a much shorter life expectancy. Based on its mass and luminosity, it is estimated to have a lifetime of only around 10 million years as well.

Therefore, the life expectancy of the given stars are:a) 0.2-solar mass, 0.01-solar luminosity red dwarf: 10 trillion yearsb) 3-solar mass, 30-solar luminosity star: 10 million yearsc) 10-solar mass, 1000-solar luminosity star: 10 million years.

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Is this right. Please help me ITS SOCIOLOGY

Is this right. Please help me ITS SOCIOLOGY

Answers

Answer:

Yes

Explanation:

sorry if im wrong

The question is on the picture

The question is on the picture

Answers

Answer:

think 2 also if not im so sorry  but i think it is :)

a researcher is studying the distribution of auxin in roots and stems exposed to sunlight. he notices that more auxin collects in the sides of stems and roots that are not exposed to light. why?

Answers

The researcher's observation that more auxin collects in the sides of stems and roots that are not exposed to light is likely due to the phenomenon of phototropism.

In the process of phototropism, light influences the direction and rate of growth of plant cells. In particular, light induces the cells on one side of a stem or root to create less auxin than the cells on the shaded side. Less auxin is produced on the lighted side and more auxin is produced on the shaded side as a result. The hormone auxin is essential for controlling the growth and development of plants. Auxin generally promotes cell growth and elongation at greater concentrations while inhibiting cell elongation at lower concentrations. Since the cells on the lighted side of the stem or root will contain less auxin when there is light.

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which of the following can be used to measure mass

Answers

Answer:

there are no options

Explanation:

an 85 kg construction worker has 37,485 j of gravitational potential energy to the nearest whole number the worker is blank m above the ground. answer the blank = )

Answers

Answer:

45 m above the ground

Explanation:

The formula for height is height = PEg/ mg (gravitational potential energy/ mass times g).

37,485/ (85 kg*9.8m/s^2)

37,485/ 833 = 45 m above the ground

The height of construction worker above the ground is of 45 m.

Given data:

The mass of construction worker is, m = 85 kg.

The gravitational potential energy stored in worker is, U = 37,485 J.

We know that the energy of any object by virtue of its position is known as gravitational potential energy. So, the expression for the gravitational potential energy of construction worker is,

U = mgh

here,

g is the gravitational acceleration and h is the height above the ground.

Solving as,

37485 = 85 × 9.8 × h

h = 45 m

Thus, we can conclude that the height of construction worker above the ground is of 45 m.

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3. If a certain quantity of gas has a volume of 30 cm3 at a pressure of 1 × 105 Pa, what is its volume when the pressure is
a. 2 × 105 Pa,
b. 5 × 105 Pa?
Assume the temperature remains constant.
Plz help me ASAP!!!

Answers

We know that:

                             \(P_{1}V_{1}= P_{2}V_{2}\)               .......(1)

Given at \(P_{1}=30cm^3\) , \(V_{1}=10^5Pa\)

a)

When \(P_{2}=2*10^5Pa\) , \(V_2=\)?

Using equation (1)

                                    \(30*10^5=2*10^5*V_2\)

                                     \(V_2=30/2=15cm^3\)

b)

When \(P_2=5*10^5Pa\), \(V_2=?\)

using equation (1)

                                     \(30*10^5=5*10^5*V_2\)

                                    \(V_2=30/5=6cm^3\)

Determine the kinetic energy of a 1000 kg roller coaster car that is moving with speed of 40.0 m/s​

Answers

Answer:

KE=800,000

Explanation:

The formula for kinetic energy is KE=1/2mv^2 or Kinetic Energy= 0.5*mass*velocity^2

so 1000 is the mass and 40 is the velocity

KE=0.5*1000*40^2

KE=0.5*1,000*1,600

KE=800,000 Joules

find the angle between the vectors. u = (2, 3, 0), v = (3, −2, 1)

Answers

Therefore, the angle between vectors `u` and `v` is 90°.

To find the angle between two vectors, we can use the formula:

`cos(θ) = (u . v) / (||u|| ||v||)`

Where u and v are vectors, `.` is the dot product of vectors and || || is the magnitude of a vector.θ is the angle between the two vectors.

In this problem, we need to find the angle between vectors `u` and `v`.

We have the following vector

s:u = (2, 3, 0) and v = (3, −2, 1)

Let's find the dot product of vectors `u` and `v`.u .

v = 2 × 3 + 3 × (−2) + 0 × 1

= 6 − 6 + 0

= 0

Let's now find the magnitudes of vectors `u` and `v`.||u|| = √(2² + 3² + 0²) = √(13) and

||v|| = √(3² + (−2)² + 1²)

= √(14)

Now, we can use the formula to find the angle between vectors `u` and `v`.cos(θ) = (u . v) / (||u|| ||v||)cos(θ)

= 0 / (√(13) × √(14))cos(θ)

= 0θ

= cos⁻¹(0)θ

= 90°

The angle between the vectors u = (2, 3, 0) and v = (3, −2, 1) is 90 degrees.

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if the rock takes 0.34 s to cross the 2.2- m -high glass door, from what height above the top of the door was it dropped? express your answer to two significant figures and include the appropriate units.

Answers

The rock was dropped from a height of 2.2 m above the top of the door.

What is rock?

Rock is a natural and solid material made up of minerals and other substances. It is typically found in mountainous areas, deserts, and other areas where the Earth's crust is exposed. It is composed of different minerals which give it its hardness and durability. Rock is used in numerous construction projects and other applications. It provides a strong foundation for structures and is used in construction, landscaping, and even in art.

The equation used to solve this problem is s = vt, where s is the distance, v is the velocity, and t is the time.
The velocity of the rock is found by rearranging the equation to v = s/t, so v = 2.2 m / 0.34 s = 6.47 m/s.
The initial height of the rock is found by rearranging the equation to s = vt to s = 6.47 m/s * 0.34 s = 2.2 m.
Therefore, the rock was dropped from a height of 2.2 m above the top of the door. Expressed to two significant figures, this is 2.2 m.

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If Bulb B burns
out, what happens?
A Bulb A and C will stay lit.

If Bulb B burnsout, what happens?A Bulb A and C will stay lit.

Answers

Answer: C

Explanation:

Since bulb B is burnt out, the wires can't transfer to bulb A, so that's why bulb A will burn out.

If I get it wrong, sorry. Im still learning.

A negative 6 mC charge enters a region of 45 T magnetic field that is directed up. If the charge is moving toward the south with a speed of 400 m/s

Answers

Question: A negative 6 mC charge enters a region of 45 T magnetic field that is directed up. If the charge is moving toward the south with a speed of 400 m/s. determine the magnitude and  direction of the force

Answer:

Magitude of F = 108 N

Direction: Perpendicular to the plane containing v and B.

Explanation:

From the question,

Since the velocity of the charge(v), is parallel to the field(B).

Therefore, We apply

F = qvB..................Equation 1

Where F = Force, B = magnetic field, v = velocity, q = Charge.

Given: q = 6 mC = 0.006 C, v = 400 m/s, B = 45 T

Substitute these values into equation 1

F = 0.006×400×45

F = 108 N.

The direction of the force is always perpendicular to the plane containing v and B.

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