Question #6426318Single Choice
Physics
Question
A 3 kg object slides down a frictionless inclined plane with an initial velocity of 2m/s and a constant acceleration of 4m/s2. The plane makes an angle of 37° with the horizontal. Find the decrease in the object's gravitational potential energy after 3 seconds. (Take g = 10m/s2, sin37°=0.6, cos37°=0.8)
Options
A
720 J
B
756 J
C
432 J
D
576 J
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