A trolley of mass 4kg moving on a smooth horizo... - WAEC Physics 1999 Question
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
correct option: c
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