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Viktor [21]
3 years ago
11

To calculate the change in kinetic energy, you must know the force as a function of _______. The work done by the force causes t

he kinetic energy change.Choose the best answer to fill in the blank above:a. accelerationb. workc. positiond. potential energy
Physics
1 answer:
QveST [7]3 years ago
3 0

Answer:

(c) position

Explanation:

From the work-energy theorem, the workdone by a force on a body causes a change in kinetic energy of the body.

But, remember that the work done (W) by a force (F) on a body is the product of the force and the distance d, moved by the body caused by the force. i.e

W = F x d

This distance is a measure of the position of the body at a given instance.

Therefore, the work done is given by the force as a function of distance (or position).

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A rock held at a height of 3 meters what a mass of 2kg has what energy
monitta
You are looking to find gravitational energy, the formula for that is (height)(weight)(acceleration due to gravity). In your case I️t will be (3)(2)(9.8)= 58.8 Joules
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How do you find the velocity of an object?
Scorpion4ik [409]
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3 years ago
In the following calculations, be sure to express the answer in standard scientific notation with the appropriate number of
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Answer:

-45,597.07

Explanation:

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4 0
2 years ago
A powerful missile reaches a speed of 5 kilometers per second in 10 seconds after its launch. What is the average acceleration o
AveGali [126]

Average acceleration  =  (change in speed)  /  (time for the change)

The missile's change in speed is  (5,000 - 0)  =  5,000 m/s

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                                 =      500 m/s²       (about  51 Gs)

Inconveniently, this isn't one of the choices on the list. Is there something wrong, either with the choices or with my solution ?

No. Relax. Everything is OK.

500 meters is the same thing as 0.5 kilometer.  So my answer can also be written as  0.5 km/s² .  That doesn't change anything, and it IS one of the listed choices.

The average acceleration is <em>0.5 km/sec²  (d)</em> .

4 0
3 years ago
Read 2 more answers
Which of the following best describes a noncontact force
Sonja [21]

Answer:

a force that is able to act at a distance

Explanation:

:)

7 0
3 years ago
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