posted by shine on .
A student is skateboarding down a ramp that is 8.81 m long and inclined at 27.3 ° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 2.58 m/s. Neglect friction and find the speed at the bottom of the ramp.
Kinetic energy at bottom = kinetic energy at top + m g h
where h = 8.81 sin 27.3