Question: QUESTION 1 5 A 2 . 0 - kg block slides down a plane ( inclined at 4 0 with the horizontal ) at a

QUESTION 15
A 2.0-kg block slides down a plane (inclined at 40 with the horizontal) at a constant speed of 5.0ms. At what rate is the gravitational force on the block doing work?
+98 W
+63 W
zero
+75 W
-75 W
5.56 points
QUESTION 1 5 A 2 . 0 - kg block slides down a

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