Observe the golfer ball shown in the image.
(time, t=7.50 s time from when the ball is hit to the max height.)

If this is the time for the ball to reach its max height, what is the total hang time (from the time the ball is hit to the max height to when the ball hits the ground). (Assume no air resistance or spin.)

Answer: 0.164

Explanation:

the coefficient for ethyl alcohol b is 1120x10^-6

so (0.00823)/ (1120x10^-6)(44.8) gives you your answer: 0.164

Answer:

Know what you need and what to discard

Explanation:

Knowing what to do with all your things/information helps declutter and to become more organized.

Answer:

4 m/s in negative acceleration

Explanation:

Acceleration = V- U/t

Where V is the final velocity

U is the initial velocity and t is the time given.

U = 65 m/s

V= 25 m/s

T= 10 seconds

Acceleration= (25m/s - 65m/s)÷10secs

= - 40/10

= -4m/s^2

Hence, it has a negative acceleration.

Answer:

A. negative acceleration of 4 m/s2

Hope this helps!

Explanation:

Answer:

A publisher can misprint a book in several different ways. The publisher can miss words, make spelling errors, mix up paragraphs, or delete some text entirely. With such errors, the text will be inaccurate, and people reading that part will get confused. Mutations in genes happen similarly. At times, parts of the gene may change entirely, leading to altered products. There are many types of gene mutations, but all types of mutations can potentially affect the cell and its function.

Explanation:

Answer for plato so you might want to change it.

One example of a fraction that is sometimes used to approximate pi is 22/7. This is a common approximation of pi that is often used in mathematics and engineering.

A fraction is a mathematical expression used to represent a part of a whole or a portion of a quantity. Fractions are a fundamental concept in mathematics that are used in many different contexts and are essential for understanding more advanced mathematical concepts.

Fractions is important in many areas of life, including cooking, construction, and finance. In finance, understanding fractions is important for calculating interest rates, percentages, and ratios. For example, the fraction 1/2 represents one out of two equal parts or half of the whole. Fractions can be used to represent numbers that are not whole, such as 1/4, 3/8, or 7/10. They can also be used in mathematical operations such as addition, subtraction, multiplication, and division.

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Answer:

0.36 m

Explanation:

The moment of inertial of a wheel can be calculated as

Where r is the radius of the wheel and m is its mass.

Solving the equation for r, we get

So, replacing I by 0.13 kg m2 and m by 0.98 kg, we get

Therefore, the radius of the wheel is 0.36 m

Answer:

Net force is the sum of all the forces.

Explanation:

Force is the push or pull that causes acceleration.

Net force is the sum of all the forces acting on an object

The outcome is a force when an external force pushes or pulls on one thing as it interacts with another object. On the other hand, there won't be any evidence of force if both objects are imprisoned in one location and there isn't any outside pressure.

For example,

When Mathew pushes an automobile, they provide force to the vehicle while dissipating energy; this is shown by the fact that Mathew pushes the car with an 8 Newton (8 N) force.

The amount of force acting on an item from both sides is known as a net force whenever several forces are present, regardless of the direction they are acting from.

The resultant force is another term for this force.

For example,

James pulls a rope from one side, while Thomas pulls a rope from the other, such that a force is exerted on the rope from both sides. This pulling force from both sides is referred to as Net force.

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Answer:

Power is the rate at which work is done and can be calculated using the formula P = W/t, where P is power, W is work and t is time. In this case, Joyce expended 54 kJ of work over a period of 3.0 minutes (or 180 seconds). Plugging these values into the formula gives us:

P = 54 kJ / 180 s

This simplifies to 0.3 kW or 300 W.

So Joyce’s average power output during his workout was 300 watts.

Answer:

brush

Explanation:

its correct

Answer:

B. Brush

Explanation:

Edg 2021

Answer:

i thick it is carbon-based lifeforms

Explanation:

The second allowed energy of an electron is 4 times the first allowed energy.

The first allowed energy can be calculated using the following equation:

En = n²h² / 8mL²where n is the principal quantum number, h is Planck's constant, m is the mass of the electron, and L is the length of the region of space to which the electron is confined.

The value of the first allowed energy is given by;E1 = h² / 8mL²

The value of h = 6.626 x 10^-34 J·s, and the value of m = 9.11 x 10^-31 kg.

Therefore, we have:E1 = (6.626 x 10^-34 J·s)² / 8(9.11 x 10^-31 kg)(0.300 x 10^-9 m)² = 3.69 x 10^-19 J

The second allowed energy of the electron, E2, is given by:E2 = 4E1= 4 × 3.69 x 10^-19 J= 1.48 x 10^-18 J

The answer is 1.48 x 10^-18 J.

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The best description of twins with identical DNA is that the twins will be identical physically and behaviorally. Thus, the correct option is C.

Identical twins are also called as the monozygotic twins which result from the fertilization of a single egg by a single sperm, or with the fertilized egg which are then splitting into two individual offspring. Identical twins share the same genomes and are also of the same sex.

Identical twins are also called as monozygotic twins, these result from the fertilization of a single egg by a single sperm, with the fertilized egg which then splitting into two identical cells. Identical twins share the same genomes and are always of the same sex.

Therefore, the correct option is C.

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A 1 kg box falls two metres from a shelf and lands on the ground after 0.021 seconds. The box impacted the ground with a force of around 524.7 N.

The box impacted the ground with a force of around 524.7 N.

Explanation: We can determine the force using the equation F = m * (v/t), where m is the box's mass, v is the velocity change (which is the ultimate velocity because the box starts at rest and comes to a halt), and t is the time it takes for the box to stop.

Given that the box falls 2 metres and its terminal velocity is 0 m/s, v = 2 m/s.

524.7 N is equal to F = 1.1 kg * (2 m/s / 0.021 s).

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Mass of copper block, m = 8.96 g

Constant molar heat capacity of copper, c1 = 24.44 J K⁻¹ mol⁻¹

Initial temperature of copper block, T1 = 85°C

Mass of water, M = 125 g

Constant molar heat capacity of water, c2 = 75.29 J K⁻¹ mol⁻¹

Initial temperature of water, T2 = 25°C

Heat is transferred from the copper block to the water until both reach a common temperature, T. We are to find the change in entropy for each process using the following formula:

Change in entropy, ΔS = Q / T

where Q is the amount of heat transferred and T is the common temperature of the system. Since the process is reversible, we can also write this as:

ΔS = ∫ dQ / T

Change in entropy of copper block:

The amount of heat transferred from the copper block to the water, Q1 = mc1ΔT = (8.96/63.546) × 24.44 × (T - 85) J/K

where ΔT = T - T1 is the change in temperature.

Using the formula for change in entropy:

ΔS1 = Q1 / T = (8.96/63.546) × 24.44 × (T - 85) / T J/K

Change in entropy of water:

The amount of heat transferred from the copper block to the water is the same as the amount of heat gained by the water, Q2. So,

Q2 = -Q1 = -(8.96/63.546) × 24.44 × (T - 85) J

Using the formula for change in entropy:

ΔS2 = Q2 / T = -(8.96/63.546) × 24.44 × (T - 85) / T J/K

Therefore, the change in entropy for the copper block is given by:

ΔS1 = (8.96/63.546) × 24.44 × (T - 85) / T J/K

And the change in entropy for water is given by:

ΔS2 = -(8.96/63.546) × 24.44 × (T - 85) / T J/K

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Answer:

c. earth rotates on it tilted axis and orbit around the sun at the same time​

Explanation:

Earth rotation can be defined as the amount of time taken by planet earth to complete its spinning movement on its axis.

This ultimately implies that, the rotation of earth refers to the time taken by earth to rotate once on its axis. One spinning movement of the earth on its axis takes approximately 24 hours to complete with respect to the sun. Thus, this makes us to experience day and night (sun rise and sun set) due to the rotation of planet about its axis.

Hence, the sun rise and set because the earth rotates on it tilted axis and orbit around the sun at the same time​

If a current of 2.00 A in one is switched off in 1.30 ms, inducing a 8.00 V emf in the other, the mutual inductance between the two coils is 0.0052 henries (H).

Using Faraday's law of induction, we can determine the mutual inductance (M) between the two coils. The formula for induced emf (ε) is:

ε = -M * (ΔI/Δt)

where ε is the induced emf, M is the mutual inductance, ΔI is the change in current, and Δt is the time taken for the change.

We have the values:
ε = 8.00 V
ΔI = 2.00 A (since the current is switched off)
Δt = 1.30 ms = 0.0013 s

Now, we can rearrange the formula to solve for M:

M = -ε * (Δt/ΔI)

Plugging in the values:

M = -8.00 V * (0.0013 s / 2.00 A)

M = 0.0052 H

The mutual inductance between the two coils is 0.0052 Henries (H).

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The fundamental frequency of the tube open at both ends is 365.25 Hz.

The fundamental frequency of a tube open at both ends can be calculated using the formula:

f = (n * c) / (2 * L)

where:

f = fundamental frequency (in Hz)

n = harmonic number (for the fundamental frequency, n = 1)

c = speed of sound (in m/s)

L = length of the tube (in meters)

Given:

L = 0.472 m

c = 344 m/s

n = 1

Using the formula:

f = (1 * 344) / (2 * 0.472)

f = 365.25 Hz (rounded to two decimal places)

Therefore, the fundamental frequency of the tube open at both ends is 365.25 Hz.

The fundamental frequency, also known as the first harmonic, is the lowest frequency at which a system or object vibrates. It is the frequency at which a system oscillates when all of its parts are moving in simple harmonic motion. The fundamental frequency is important in various fields, including music, acoustics, and physics.

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Answer:

Force applied

Explanation:

An object will remain at its state of rest unless a non zero for act on it

Answer:

mm yummy

Explanation:

Answer:

The answer is E

Explanation:

Wolves died off from the rona virus back in the 1930s so when they came back they brought C- 19 with them

The radius of the path for the singly charged ion is 0.29 metres.

The value of the electric field between the plate of the velocity selector is 3 x 10³ V/m.

The value of the magnetic field is 0.0400 tesla.

We are asked to calculate the radius of the path for a single charged iron having a mass M equal to 2.52 x 10⁻²⁶ Kg.

The radius of the charge particle in a magnetic field is given by,

R = MV/qB

Where,

M is the mass of the particle, V is the velocity of the particle, q is the charge of the particle and B is the magnetic field.

The value of velocity of the particle is given by,

V = E/B

He is the electric field.

Now putting all the values accordingly, we get,

R = ME/qB²

R =  (2.52 x 10⁻²⁶ x 3 x 10³)/(1.6 x 10⁻¹⁹ x 0.04 x 0.04)

R = 0.29 meters.

Hence, the radius of the particle is 0.29 meters.

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Complete Question-consider the mass spectrometer shown schematically in the figure below. the magnitude of the electric field between the plates of the velocity selector is 3.00 103 v/m, and the magnetic field in both the velocity selector and the deflection chamber has a magnitude of 0.0400 t. calculate the radius of the path for a singly charged ion having a mass m = 2.52 x 10⁻²⁶ Kg.

If you add something, you are being positive; if you subtract something, you are being negative.

Whatever is shown in the media should be properly understood by the audience. The connection between the audience and the message is referred to as "meaning" in communication terminology. This point of view asserts that what ultimately determines how people act are their inner perceptions.

Media representations refer to the ways in which the media presents particular communities, experiences, ideas, or topics from a particular ideological or value perspective.

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Answer:

C.

Explanation:

""""""" Twice,Half """"""

A big wheel with twice the circumference of a small wheel will rotate with the force and the speed of the small wheel.

C) twice, half

A big wheel with twice the circumference of a small wheel will rotate with twice the force and half the speed of the small wheel.

It is the round circle found on the outside angle of the machine.

It is the adjusted barrel or rod-like portion put on the interior of the machine that's connected to the wheel and makes a difference to advance development.

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Answer:

D. 20 N

Explanation:

Force = mass(m) × acceleration due to gravity (g)

Force = 2kg × 10m/s²

Force = 20N

1. Newton's Laws of Motion are three fundamental principles that describe the relationship between the motion of an object and the forces acting upon it.

2. Newton's Laws are called laws because they are universally applicable and have been extensively tested and verified through observations and experiments.

3. Force is a vector quantity that describes the push or pull on an object resulting from the interaction with another object or its environment. It causes an object to accelerate, decelerate, or change direction.

1.

2. They form the foundation of classical mechanics and have withstood the test of time, making them fundamental principles in understanding and predicting the behavior of objects in motion.

3. The magnitude of force is measured in Newtons (N), and it is represented by arrows, indicating its direction and magnitude. Forces can be contact forces, such as a person pushing a box, or non-contact forces, such as gravitational forces that act on objects at a distance. According to Newton's Second Law, the net force acting on an object determines its acceleration.

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--The complete Question is,  Name Newton's Laws of Motion QUESTIONS: Laws of Motion 1. Generally speaking, what are Newton's Laws of Motion? 2. Why are Newton's Laws called laws? 3. What is force?--

\(\\ \sf\Rrightarrow V=\dfrac{W}{Q}\)

\(\\ \sf\Rrightarrow V=\dfrac{9}{1}\)

\(\\ \sf\Rrightarrow V=9V\)

Given what we know, we can confirm that less helium is present in the upper atmosphere of Saturn due to Helium precipitation.

On Saturn, helium is able to remain in liquid form, due to many internal and external factors of the planet, this means that helium can form precipitation and rain back down onto the planet. For this reason, it does not stay in the atmosphere for long. This process also produces Saturn's internal energy by releasing gravitational energy in the process.

Therefore, we can confirm that less helium is present in the upper atmosphere of Saturn due to Helium precipitation.

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Question :-

Answer :-

Explanation :-

As per the provided information in the given question, we have been given that the Mass of the object is 150 Kg . Its Velocity is given as 24 m/s . And, we have been asked to calculate the Momentum of object .

For calculating the Momentum , we will use the Formula :-

\( \bigstar \: \: \boxed{ \sf{ \: Momentum \: = \: Mass \: \times \: Velocity \: }} \)

Therefore , by Substituting the given values in the above Formula :-

\( \dag \: \: \: \sf { Momentum \: = \: Mass \: \times \: Velocity } \)

\( \longmapsto \: \: \sf { Momentum \: = \: 150 \: \times \: 24 } \)

\( \longmapsto \: \textbf {\textsf { Momentum \: = \: 3600 \: Kg m/s }} \)

Hence :-

\( \underline {\rule {180pt} {4pt}} \)