# CBSE Class 9 Physics Conservation of Linear Momentum

## Q.

The product of mass and velocity is

## Q.

Initial velocities of two balls of mass m_{1} and m_{2}
are u_{1} and u_{2}, respectively. After collision, the final
velocities of the two balls are v_{1} and v_{2},
respectively. According to the law of conservation of momentum,

## Q.

During the collision of bodies, the total ________ remains constant unless no external __________ acts on the bodies.

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