Posted by Kristy on .
A skateboard with mass M rolls down a ramp, starting from rest. It takes time T to roll a distance L along the ramp. In terms of M, T, and L, what is the skateboardâ€™s acceleration down the ramp?

physics 
Damon,
M is irrelevant
at acceleration a, v = a T
L = (1/2) a T^2
a = 2 L/T^2