A child whose weight is 270 N slidesdown a 6.2 m playground slide that makesan angle of 20° with the horizontal. The coefficient of kineticfriction is 0.10.
(a) How much energy is transferred to thethermal energy?
J
(b) If she starts at the top with a speed of 4.97 m/s, what is her speed at the bottom?
m/s