Figure shows the position-time (x-t) graph of one dimensional motion of a mass 500g. What is the time interval between two consecutive impulses received by the body?

Options

A. 2s
B. 4s
C. 6s
D. 8s

Answer

A

Explanation

Figure shows that slope of x-t graph changes from positive to negative at t=2s, and it changes from negative to positive at t=4 and so on. Thus direction of velocity is reversed after every tow seconds. Hence, the body must be receing consecutinve impulses after every two seconds.