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Home Q & A Board Science-Related Homework Help Physics
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mahafakhoury mahafakhoury
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6 years ago
A 1.6-kg block slides down a plane (inclined at 25 with the horizontal) at a constant speed of 2.0 m/s. At what rate is the frictional force changing the mechanical energy of the block?
 a. +28 W
  b. +13 W
  c. -13 W
  d. -28 W
  e. +6.5 W
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VecksaVecksa
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6 years ago
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mahafakhoury Author
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#2
6 years ago
So very smart
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