Question

The displacement of a particle is given by- x=(t-2)(t-2). The distance covered by the particle in first 4 seconds is-

Answer 1

Answer:

8 meters.

Explanation:

displacement  at  t =0  is :  x =  4 meters...

displacement at t = 2 sec  is  x = 0 meters..

displacement at  t = 4 sec  is :  x =  2^2 = 4 meters

so the particle travels from x = 4 m to x=0 m  in the first 2 sec... and then  from 0m to x = 4 m position in th next two seconds....

distance travelled = 8 meters.