Rectilinear Motion

Question

An object has a constant acceleration of 30 ft/sec^2, an initial velocity of -10 ft/sec, and an initial position of 4 ft. Find the position function, s(t), describing the motion of the object. 

Answer 1

s(t) = s₀ + v₀t + at²/2 = 4 - 10t + 15t²

 

t = sec

s = feet