A 2.0-kg box slides down a long, frictionless incline of
Chapter , Problem 21(choose chapter or problem)
A 2.0-kg box slides down a long, frictionless incline of angle It starts from rest at time at the top of the incline at a height of above the ground. (a) What is the potential energy of the box relative to the ground at (b) Use Newtons laws to find the distance the box travels during the interval and its speed at (c) Find the potential energy and the kinetic energy of the box at (d) Find the kinetic energy and the speed of the box just as it reaches the ground at the bottom of the incline.
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