A vector has initial point at (3, –5) and terminal point at (–2, 3). what are the characteristics of this vector? the magnitude is startroot 13 endroot, and the direction angle is about 58°. the magnitude is startroot 13 endroot, and the direction angle is about 122°. the magnitude is startroot 89 endroot, and the direction angle is about 58°. the magnitude is startroot 89 endroot, and the direction angle is about 122°.

Answer:

50.3N

Explanation:

Work done = force x distance

422J. = force x 8.39m

÷8.39 both side to get force

Force is 50.3N to 1 d.p.

Check:

50.3 x 8.39=422.017J

Same as 422J to 1 d.p

Answer:

heartbroken

Explanation:

just failed my test cause i typed my answers in Caps. Acellus a scam . leave a heart if you feel for me :(  (Answers above were right btw)

The forces between polar molecules is known as dipole-dipole forces.

Dipole-dipole forces are a form of intermolecular force that occurs between molecules that have permanent dipoles as a result of the unequal sharing of electrons. They are usually found in polar molecules that are covalently bonded.

A permanent dipole is a separation of electric charge that exists across two adjacent atoms or atoms. These dipoles exist when atoms in a covalent bond share electrons in an unequal manner, resulting in a partially positive end and a partially negative end. This partial charge imbalance causes the neighboring molecules to experience a force that causes them to line up in a specific orientation. This kind of attraction is known as dipole-dipole forces.

A polar molecule is a molecule with a net dipole moment greater than zero due to the asymmetrical arrangement of polar bonds, or due to the presence of lone pair electrons on the central atom. Polar molecules are molecules that have partial charges or regions with varying charge densities. The electrons in polar molecules are not evenly distributed throughout the molecule, resulting in a region of partial negative charge and a region of partial positive charge.

Intermolecular forces are the forces that hold two molecules together. The forces that occur between molecules are referred to as intermolecular forces. They are usually much weaker than chemical bonds, which hold atoms within a molecule together.

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The magnitude of the torque on the tip of the catheter containing this permanent magnet is 4.20 x 10-3 Nm and  the potential energy of the system is -0.0104 J.

Given that the magnetic field (B)  = 0.080 T.

The permanent magnet has a magnetic moment of (μ) = 0.14 Am^2.

The angle of orientation of the permanent magnet is (θ) = 22°

(a) Let the magnitude of the torque = τ

We know that τ = μBsinθ  such that

τ = 0.14 x 0.080 x sin22°  = 4.20 x 10-3 Nm

The require torque on the tip of the catheter containing this permanent magnet is 4.20 x 10-3Nm

(b) Let the potential energy of the system be U

We know that U =  -μBcosθ

U = -(0.14 x 0.080 x cos22°) = -0.0104 J

Hence the potential energy of the system consisting of the permanent magnet in the catheter and the magnetic field provided by the external magnets is -0.0104J.

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complete question: A typical magnitude of the external magnetic field in a cardiac catheter ablation procedure using remote magnetic navigation is B = 0.080 T. Suppose that the permanent magnet in the catheter used in the procedure is inside the left atrium of the heart and subject to this external magnetic field. The permanent magnet has a magnetic moment of 0.14 Am^2. The orientation of the permanent magnet is 22° from the direction of the external magnetic field lines.

(a) What is the magnitude of the torque on the tip of the catheter containing this permanent magnet?

(b) What is the potential energy of the system consisting of the permanent magnet in the catheter and the magnetic field provided by the external magnets?

The permanent magnet-containing catheter's tip experienced a torque of 4.20 x 10-3 Nm, and the system's potential energy was -0.0104 J.

Installing a turbocharger or supercharger is a practical alteration that will greatly boost torque. Your engine's power is increased via forced induction, which forces air into the engine. The amount of time a turbocharger has to spool before it benefits torque will depend on the torque curve you choose.

In light of the magnetic field's (B) value of 0.080 T.

The magnetic moment of the permanent magnet is () = 0.14 Am2.

The permanent magnet's orientation angle is () = 22°.

(a) Set the torque's magnitude to.

We are aware that = Bsin, thus

4.20 x 10-3 Nm is equal to = 0.14 x 0.080 x sin22°.

4.20 x 10-3Nm of required torque must be applied to the catheter tip housing this permanent magnet.

(b) Set the system's potential energy to U.

We are aware that U = -Bcos.

U is equal to -(0.14 x 0.080 x cos22°) = -0.0104 J.

In light of this, the potential energy of the system comprised of the catheter's permanent magnet and the magnetic field created by the external magnets is equal to -0.0104J.

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Answer:

Explanation:

a particular kind of matter with uniform properties.

Answer:

a particular kind of matter with uniform properties or the real physical matter of which a person or thing consists and which has a tangible, solid presence.

Explanation:

The Sun does not expand or contract because it is in a state of hydrostatic equilibrium. That is to say, the inward force of gravity is balanced by the outward pressure from nuclear fusion. The correct answer is option C.

Hydrostatic equilibrium refers to the balancing of the inward force of gravity and the outward force of radiation pressure (or thermal pressure) in stars. The energy emitted by a star comes from the nuclear reactions that occur in its core. These reactions create an enormous amount of energy in the form of light and heat, which is carried outward to the star's surface. The heat and light create a pressure that acts to push outward on the star's matter. At the same time, the star's mass creates a force of gravity that pulls inward. The balance between these two forces is called hydrostatic equilibrium.

Hydrostatic equilibrium is essential for stars to maintain a stable size and shape. When a star is in hydrostatic equilibrium, the inward force of gravity is balanced by the outward pressure from nuclear fusion. If this balance were upset, the star would either collapse under its own gravity or expand outwards, both of which would lead to catastrophic consequences.

Therefore, the concept of hydrostatic equilibrium is critical to our understanding of how stars evolve and the role they play in shaping our universe.

Therefore, the correct answer is option C.

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The magnitude of the car's momentum (p) in SI units is 965.88 kg·m/s.

To calculate the momentum, we need to convert the mass of the car from pounds (lb) to kilograms (kg) and the velocity from miles per hour (mph) to meters per second (m/s).

Converting the mass of the car, 2141.00 lb, to kilograms, we use the conversion factor 1 lb = 0.453592 kg. Thus, the mass of the car is 2141.00 lb * 0.453592 kg/lb = 971.34 kg.

Converting the velocity, 49.00 mph, to meters per second, we use the conversion factor 1 mph = 0.44704 m/s. Therefore, the velocity of the car is 49.00 mph * 0.44704 m/s/mph = 21.89 m/s.

The momentum is calculated by multiplying the mass and velocity: p = mass * velocity = 971.34 kg * 21.89 m/s = 21277.9826 kg·m/s. Rounding to the appropriate number of significant figures, the magnitude of the car's momentum is 965.88 kg·m/s.

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Global Positioning System (GPS) is a satellite-based tracking system that enables users to determine a person's position.

This system is used to locate and track the movements of individuals, vehicles, and assets around the world. GPS technology works by utilizing a network of satellites orbiting the Earth that send signals to GPS receivers on the ground. These receivers interpret the signals and calculate the user's precise location, speed, and direction.

GPS technology has a wide range of applications, including navigation, tracking, and mapping. GPS tracking is particularly useful in fleet management, logistics, and emergency response situations. Law enforcement agencies also use GPS technology to monitor the movements of individuals who are under surveillance or subject to electronic monitoring.

GPS technology has revolutionized the way people navigate and interact with the world around them. It has made it easier for individuals to find their way around unfamiliar places and has improved the efficiency and safety of many industries. The widespread availability of GPS technology has also led to the development of new applications and services that make use of location data, such as geotagging and location-based advertising. Overall, GPS technology has had a significant impact on society and will continue to play an important role in shaping the future.

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Answer:

I believe it is isostasy

Explanation:

Answer:False

Explanation:False

False if the univers out there does not have gravity and everything just floats how will it attract thinks if with out gravity it does not have a pull or push forse without a magnet so only now can gravity pull but in the universe it cant

Answer:

False, if its not moving there is no potential energy.

Answer:

The ball is at its max Potential energy because if it falls and hits the ground it will be at its max kinetic energy so since sitting high up it is equal to max potential energy. PE=784 J Trust ME that guy is wrong.

Explanation:

Explanation:

they are subatomic particles that interact by means of the strong force. as they are strong nuclear force its so powerful, it makes it extremely difficult to separate quarks.

hope this helps

have a great day

Quarks are elementary particles of matter. And they can be extracted in neutrino - induced dilepton events

QUARKS

A quark can be described as one of the fundamental units of matter. Under particle Physics, when two or more ionized quarks come together, they will form a composite particle called hadron.

Hadrons are particles that are affected by strong force. Examples of hadron are:

The quark model of hadrons helps to resolve many fundamental particle problems.

Apart from cosmic radiation, quarks can be extracted in neutrino - induced dilepton events with the use of hydrogen and deuterium exposure.

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Scientists  who won a Nobel Prize for pioneering work in the study of fiber optics is Charles Kuen Kao. Hence, option C is correct.

Fiber optics is the study of technologies that transmit information as light pulses along a plastic or glass fiber. Thin glass fibers or filaments have been used to view inside the body since the 1930s, but they have long been deemed unsuitable for transmitting information over long distances because too much light is wasted in the process.

Charles Kao offered a solution in the 1960s: highly pure glass fibers could convey enough light. His invention has made optical fiber telecommunication practicable when combined with laser technology.

Charles Kao won the Nobel price in physics in 2009 for the groundbreaking achievements concerning the transmission of light in fibers for optical communication.

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the required equation for centripetal force is F = k m¹ v¹ r⁻¹.

A particle traveling uniformly in a circle experiences a centripetal force, F, which is dependent on the mass (m), velocity (v), and radius (r) of the circle.

the F formula using the dimensions method is

Suppose F = k mᵃvᵇrⁿ. (i)

Where a, b, and n are the respective powers of m, v, and r and k is the dimensionless constant of proportionality.

Upon putting the measurements of various amounts in (i)

we get

[M¹L¹T‐²] = Mᵃ[LT‐¹]ᵇ Lⁿ

=> [M¹L¹T‐²] = Mᵃ Lᵇ Lⁿ T⁻ᵇ

=> [M¹L¹T-²] = Mᵃ Lᵇ⁺ⁿ T⁻ᵇ

on comparing both sides we get

a = 1

b+n = 1

-b = -2 => b = 2

Then n = -1

Onputting these values in (i),

we get

F = k m¹ v¹ r⁻¹

Or

F=k(mv²)/r

This is the required equation for centripetal force.

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Answer:

91 is the missing number because an alpha particle with a charge of 2 was emitted.

Answer: Alicia and the president do not have enough of a particular resource. Alicia doesn’t have enough time, and the president doesn’t have enough money.

Explanation: This is Plato's sample answer.

In regard to portable electric tools, a two-wire plug is allowed when the tool is double-insulated and does not have a metal casing or exposed metal parts. Double-insulation is a safety feature in which the tool's internal electrical components are insulated from the external parts, providing an extra layer of protection from electric shock.

In general, portable electric tools are permitted to use a two-wire plug when they meet certain criteria. One such criterion is being double-insulated, which means the tool has two layers of insulation or an insulation system that protects the user from electrical shocks. These double-insulated tools do not require grounding for safety and can be used with a two-wire plug.

Another criterion is having class 2 construction. This indicates that the tools are designed in accordance with specific electrical safety standards. Class 2 construction includes additional insulation and protective measures built into the tool's design, ensuring safety even when used with a two-wire plug.

It's important to keep in mind that electrical safety regulations and standards can vary across countries and regions. Therefore, it is always advisable to refer to local electrical codes and guidelines to ensure compliance and prioritize safety when utilizing portable electric tools.

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The mass of satellite B is equal to 2 X 10³ Kg.

Mass of satellite A = m = 1.5 X 10³ Kg

Mass of satellite B = m'

Velocity of satellite A = v = 8 X 10³ m/s

Velocity of satellite B = v' = 6 X 10³ m/s

To find mass of satellite B = m' =

Using the theorem of conservation of linear momentum we get,

= momentum of satellites initially = momentum of satellites finally

= mv + m'v' = m(0) + m'(0)

= mv + m'(-v') = 0

= mv = + (m'v')

= 1.5 X 10³ X 8 X 10³ = m' X 6 X 10³

= m' = ( 1.5 X 10³ X 8 X 10³ ) / 6 X 10³

= m' = 2000 Kg

Thus, mass of satellite B is 2 X 10³ Kg.

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When a series LRC circuit is driven at its resonance frequency, the phase difference between the drive voltage and the voltage across the resistor will be 0 degrees.

Solution - Resonant frequency is the natural frequency where a medium vibrates at the highest amplitude. Resonant frequency is usually denoted as f0. Resonance is witnessed in objects in equilibrium with acting forces and could keep vibrating for a long time under perfect conditions. This is because, at resonance, the inductive and capacitive reactances cancel each other out, resulting in a purely resistive circuit where the voltages across the resistor and the source are in phase.

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The answer is B. The people of Earth will observe the headlights of the spaceship to be toward the infrared end of the spectrum. This is because of the Doppler Effect, which is the change in the wavelength of a wave in relation to the observer's motion.

As the spaceship moves toward Earth, the light waves emitted by the headlights will be compressed, which results in a shorter wavelength and a higher frequency. This means that the light will be shifted toward the blue end of the spectrum. However, since the spaceship is emitting red light, the blue light will be absorbed, and only the longer-wavelength, red light will reach Earth. The longer-wavelength light will appear to be toward the infrared end of the spectrum to the people of Earth. In summary, due to the Doppler Effect, the people of Earth will observe the spaceship's headlights to be toward the infrared end of the spectrum, even though the spaceship's occupants see them as red.

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complete question:

You are in a spaceship moving very quickly toward Earth. The headlights of your ship emit red light, as observed by you. The people of Earth will observe your headlights to be *

A. a color that cannot be determined based on the information given.

B. toward the infrared end of the spectrum.

C. red, of course, the same color you observe them to be.

D. toward the X-ray end of the spectrum.

Answer:

Mass is the measure of an object's matter (what it's made up of). The greater an object's mass, the greater its gravitational force. The earth has a strong attracting force for objects with smaller mass (including the moon), and the sun has an attracting force on the earth and other planets in our solar system.

Answer:

It counts as a learning experience

Explanation:

He can learn from his mistakes and take important steps to achieve his goal In the future.

Setting objectives can lead to better direction, enhanced attention, higher levels of motivation, and increased productivity. You may change your behaviours, mindset, confidence, and daily activities by setting clear, measurable goals.

More essential than monetary or material rewards is achievement. Greater personal satisfaction comes from completing the task or reaching the goal than from being praised or recognized.

Additionally, crucial is commitment. It is less probable that you will succeed if you don't give your aim your all. This enables you to change your future expectations and strategy.Feedback enables you to discover your strengths and weaknesses.

Therefore, people who are driven by achievement are always looking for methods to do things better.

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Answer:

Movements transit.

Over bids ask.

Torah scrolls go.

Immediate demands impose.

Over bids provide.

National movements move

Explanation:

Answer:

21

Explanation:

Answer: Moisture and food (bread)

Explanation:

Mould grows best in humid, damp air/wet conditions.

Since the bread is moist it will provide humidity for the mould as well as food.

A container with a cover would not be a favoring condition as mould needs oxygen to grow and survive.

Answer:

Three models of heat transfer are conduction, convection, and radiation.

Answer:

6

.40 recharge

1.0v

45.0v

Answer:

Explanation:

According to Newton's law of universal gravitation, the correct statements are:

As we move to higher altitudes, the force of gravity on us decreases.

Explanation: The force of gravity weakens as we move farther away from the center of the Earth, such as at higher altitudes.

As we gain mass, the force of gravity on us increases.

Explanation: The force of gravity between two objects is directly proportional to their masses. Therefore, as we gain mass, the force of gravity acting on us increases.

As we move faster, the force of gravity on us increases.

Explanation: Newton's law of universal gravitation does not state that the force of gravity increases as we move faster. The force of gravity is solely determined by the masses of the objects involved, not their velocities.

So, the correct statements are:

Answer:

I think A

Explanation:

The percentage of adhesions measured in use that are higher than 0.40 is approximately 22.66%.

For finding the percentage of adhesions that are higher than 0.40, need to calculate the area under the normal distribution curve to the right of 0.40. First, need to standardize the value of 0.40 using the Z-score formula:

Z = (X - μ) / σ

Where X is the value (0.40), μ is the mean (0.37), and σ is the standard deviation (0.04).

Z = (0.40 - 0.37) / 0.04 = 0.03 / 0.04 = 0.75

Next, look up the Z-score of 0.75 in the standard normal distribution table for finding the corresponding cumulative probability. The Z-table tells that the cumulative probability to the left of 0.75 is approximately 0.7734.

Since want the percentage to the right of 0.40, subtract the cumulative probability from 1:

1 - 0.7734 = 0.2266

Therefore, the percentage of adhesions measured in use that are higher than 0.40 is approximately 22.66%.

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