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

The correct answer is C. 4.0Ns

No explanation given
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