a child of mass 35kg is itting on a trolley of mass 5 kg the trolley is given a push by applying a force so that begins to move with a speed of 4 m / s the trolley comes to rest after covering a distance of 16 m find (A) the work done on the trolley (B) the work done by the trolley before coming to rest..
Answers
Answered by
0
(A) work done on the trolly will be 0 because there is no displacement done by floor.
(B) Acc= -1/4m per sec square(retardation) ,force= 10N,work done = -160 joule
(B) Acc= -1/4m per sec square(retardation) ,force= 10N,work done = -160 joule
Similar questions