Problem 3 : (5 pts) A child rolls a basketball of mass 0.600 kg up a long ramp. The basketball can be considered a thin-walled hollow sphere. When the child releases the basketball at the bottom of the ramp, it has a speed of
8.00(m)/(s)
. When the ball returns to her after rolling up the ramp and then rolling back down, it has a speed of
4.00(m)/(s)
. Assume the work done by friction on the basketball is the same when the ball moves up or down the ramp and that the basketball rolls without slipping.