A bowling ball with a mass of 7.0kg strikes a pin that had a mass of 2.0kg the pin flies forward with a velocity of 6.0m/s, and
the ball continues forward at 4.0 m/s. What was the original velocity of the ball?
1 answer:
The conservation of momentum P states that the amount of momentum remains constant when there are not external forces.
We don't have external forces, so:

Where:
- mb is the mass of the bowling ball
- mp the mass of the pin
the initial velocities of the bowling ball and the pin.
the final velocities of the bowling ball and the pin.
Solving for v0b:

<h2>R/ The original velocity of the ball was 5.71 m/s.</h2>
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