Physics

Problem

The displacement of a body moving along a straight line is given by

S = bt^n

, where

b

is a constant and

t

is time. For what value of

n

the body moves under the action of constant force? 1) 3/2 2) 1 3) 2 4) 1/2 1) 3/2 2) 1 3) 2 4) 1/2