Question

a sled slides down a hill and accelerates at 3.1 m/s2. if it started from rest, how far has it traveled in 9.6 seconds?

Answer 1

We have

a=3.1m/s^2,

t=9.6s

If sled started at rest it traveled in time t distance

s=(at^2)/2=0.5*(9.6s)^2* 3.1m/s^2=143m