Conservation of Momentum: Principles and Calculations

The video tutorial explains the principle of conservation of momentum, which states that in a closed system, the total momentum before an event is equal to the total momentum after the event. It defines key terms like 'closed system' and 'event' and illustrates the principle with two examples involving trolleys. The first example shows a simple collision where one trolley is initially stationary, and the second example involves both trolleys moving before the collision. The tutorial demonstrates how to calculate the velocity after collisions using the conservation of momentum.

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