A trolley of mass 4kg moving on a smooth horizontal platform with a speed of 1.0ms-1 collides perfectly with a stationary trolley of the same mass on the same platform. Calculate the total momentum of the two trolleys immediately after the collision.
-
A.
0.5Ns -
B.
1.0Ns -
C.
4.0Ns -
D.
8.0Ns