Please answer these questions with explanation. In this pre-session, we\'re focu

Question

Please answer these questions with explanation.

In this pre-session, we're focused on work and how it relates to kinetic energy. There are many parallels between that and how impulse relates to momentum, but there a the list below. are also important differences. Choose a the correct statements, comparing work and impulse, from Both work and impulse are vectors. Both work and impulse are scalars. The impulse experienced by an object is always equal to the object's final momentum. The impulse experienced by an object is equal to the object's change in momenturn during the corresponding time interval O The impulse is the area under the force vs. time graph O The net work is the area under the force vs. time graph. The net work done on an object is elwers equal to the object's final kinetic energy The ne: work done on an object is equal to the change in kinetic energy experienced by the object during the time peried the work was being done

Explanation / Answer

1. false, Work is scalar.
2.False impulse, is vector
3. False, impulse = changein momentum
4. True

5. True, impulse = Fdt

6. False

7. False, work done = changein KE

8. true

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(A) W = F.d = F d cos(theta)

theta = 90 then W = 0 minimized.

false

2. True.

3. False, what if theta = 90

4. True

5. True, because theta = 90

(b)

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