Question

A rocket blasts off and moves straight upward from the launch pad with constant acceleration. after 3.6 s the rocket is at a height of 70.0 m. (a) what are the magnitude and direction of the rocket's acceleration?

Answer 1

x=.5a(t^2), x=70m, t=3.6s, a=?. a=140/(3.6^2)=10.8m/s^2.