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A crate is given an initial speed of 4.0 m/s up the 29.0 ∘ plane shown...

A crate is given an initial speed of 4.0 m/s up the 29.0 ∘ plane shown in (Figure 1). Assume μk = 0.12. How far up the plane will it go? How much time elapses before it returns to its starting point?

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Answer #1

While going up, kinetic energy is converted into potential energy but some energy is lost due to friction

ANSWER:

===============

Going Up

Initial speed , u =4m/s

final speed ,v =0m/s

Use formula to find deceleration

Use formula , to find time

==============

Coming down

Find final velocity when crate reaches starting point

Potential Energy is converted to Kinetic energy but some energy is lost due to friction

============

Initial speed , u =0m/s

final speed ,v =3.21m/s

Use formula to find deceleration

Use formula , to find time

==============

Total time ,

ANSWER:

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