A Or b Question in picture

Physics

2 answers:

Helen [10]3 years ago

5 0

Answer:

the answer to the question is indeed B

Naya [18.7K]3 years ago

5 0

Answer is b!!!!!!!!!!!

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What is the kinetic energy of a 1 kg ball thrown to a height of 10 meters?

Zigmanuir [339]

Answer:

I think it's B

Explanation:

sorry if im wrong

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3 years ago

If four students separately measure the density of a rock, and they all have very low percent

lesya692 [45]

Answer:

Their measured results are closer to the exact or true value. Hence, their measured value is considered to be more accurate.

Explanation:

Considering the situation described above, the accuracy of a measured value depicts how closely a measured value is to the accurate value.

Hence, since the students' measured values have very low percent differences, it shows the similarity of computations or estimates to the actual values, which in turn offers a smaller measurement error.

Therefore, their measured results are closer to the exact or true value, which implies that their measured value is considered to be more accurate.

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2 years ago

In order to induce electrical energy into a conductor or generator, what three factors must be present?

salantis [7]

The electricity produced by a generator works through the concepts of the following three factors; magnetic field, voltage and current. When a conductor with current flowing in it is placed in a magnetic field, it will cause the electrons to move in a direction perpendicular to the magnetic field. When working with generators, the guide for this direction is Fleming's Right Hand Rule. Since the electron move in perpendicular motion with magnetic field all the time, it would cause it to spin in a helical direction. These turns would then induce voltage and create electricity.

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3 years ago

A group of skydiver are riding in a helicopter up to the spot form which they will jump. As they ride upwards. their gravitation

Dafna1 [17]

A group of skydiver are riding in a helicopter up to the spot form which they will jump. As they ride upwards. their gravitational potential energy increases.

Answer: Option A

<u>Explanation:</u>

Gravitational potential energy refers exerted energy on any object rising from the surface of Earth. It is the measurement of potential energy of any object depending on its position.

We can also define gravitational potential energy as the amount of energy required to raise an object to certain level from the surface of Earth or the work done to raise the object to some position from a position of reference. The formula for calculating the gravitational potential energy is

$\text {Gravitational potential energy}=m g \Delta h$

Here, m is the object's mass, g -the acceleration and $\Delta h$ - the object's distance from the Earth's surface.

So from this formula, it can be confirmed that if the helicopter carrying skydivers are made to ride upwards, then their gravitational potential energy will increase as the distance of helicopter from the Earth's surface is increased on riding the helicopter upwards.

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3 years ago

Knowing the P is 1110 N, determine the tension in the rope if the frame is in equilibrium. Express your answer in kN to the near

ra1l [238]

Explanation:

It is given that the value of P is 1110 N. And, for pin connection we have only two connections which are $A_{x}$ and $A_{y}$ . Let T be the tension is rope.