Question

kindly see the attachment and answer the respective question!

Answer 1

1. x=t^2-2t, if we differtiate the equation then velocity is given (x/dt=v), dx /dt =( t^2-2t).1/dt then v=2t-2 and when velocity become zero so 0=2t-2, 2t=2 so then time is 1 sec ,,,, x=t^2-2t put the time value , x= 1^2- 2(1) , x= 1-2 then x is -1 m ans