A bowling ball is placed, at rest, on top of a 5 m hill and allowed to roll down to the bottom. What is the velocity of the ball (rounded to the nearest whole number, expressed in m/s) at the bottom of the hill?

Question

A bowling ball is placed, at rest, on top of a 5 m hill and allowed to roll down to the bottom.  What is the velocity of the ball (rounded to the nearest whole number, expressed in m/s) at the bottom of the hill?

vincent-lyon.fr · Answer

If the ball rolls, then write its KE, taking into account rotational and translational KE.
Remember a solid ball has a moment of inertia I = 2/5MR²