Question

"a crate is released from the highest point of a 12m ramp inclined at 45 degrees with the horizontal. The motion is frictionless. What is the speed of the crate at the base of the ramp? "

Answer 1

mgh=1/2 m v^2

Step-by-step explanation:

mgh=1/2 m v^2

v =sqrt( 2gh)