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Starting from rest, a 5.0 kg block slides 2.4 m
down a rough 30.0

incline in 2.0 s.
The acceleration of gravity is 9.81 m/s
2
.
Find the change in mechanical energy due to
friction.
Answer in units of J.


Sagot :

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Answer:I IN theTHE ADVENTUREADVENTURES ofor concernsconcernsconcerns don't s andand

Explanation: