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Two hockey players are about to collide on the ice. One player has a mass of
70 kg and is traveling at 1.4 m/s north. The other has a mass of 75 kg and is
traveling at 1.0 m/s south. The system consists of the two hockey players.
According to the law of conservation of momentum, what is the total
momentum of the system after they collide? Assume the collision is an
elastic collision.

Respuesta :

pfellas
The total momentum before and after is the same.
It is equal to (70x1.4) - (75x1) = 98-75 = 23 Kg m/s north

The total momentum before and after is the same.

It is equal to (70x1.4) - (75x1) = 98-75 = 23 Kg m/s north.

What is momentum ?

"Momentum, product of the mass of a particle and its velocity. "Momentum is a vector quantity; i.e., it has both magnitude and direction. Isaac Newton's second law of motion states that the time rate of change of momentum is equal to the force acting on the particle.

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