Question: When a block slides a certain distance down an incline, the work done by gravity is 3 0 0 J . What is the work

When a block slides a certain distance down an incline, the work done by gravity is 300 J. What is the work done by gravity if the same block slides the same height up the incline?
a.
300 J
b.
0 J
c.
-300 J
d.
It cannot be determined without knowing the coefficient of friction between the block and the incline.
e.
It cannot be determined without knowing the distance that the block sides.

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