Short Answer
An object of mass 4.00 kg is sitting at the top of an inclined plane of height h and angle θ with the horizontal. The object slides down the inclined plane and right before it reaches the bottom of the plane, it has speed of 16.0 m/s. Neglect friction and use g = 10.0 m/s2.
(a) What is the height of the inclined plane?
(b) If the height of the inclined plane is raised to 15.0 m, what is the speed of the object right before it reaches the bottom of the inclined plane?
Correct Answer:
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(a)12.8 m
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