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Momentum and Impulse CP

Posljednje ažuriranje almost 2 years ago

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Pitanje 1

1.

Calculate the momentum of a 1800-kg elephant charging a hunter at a speed of 7.50 m/s.

Pitanje 2

2.

What is the momentum of a 0.0400-kg tranquilizer dart fired at a speed of 600 m/s toward the elephant?

Pitanje 3

3.

What is the momentum of the 90.0-kg hunter running at 7.40 m/s after missing the elephant?

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Pitanje 4

4.

A car moving at 10 m/s crashes into a tree and stops in 0.26 s. Calculate the force the seat belt exerts on a passenger in the car to bring him to a halt. The mass of the passenger is 70 kg.

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Pitanje 5

5.

A volleyball is spiked so that its incoming velocity of +4.0 m/s is changed to an outgoing velocity of −21 m/s. The mass of the volleyball is 0.35 kg. What impulse does the player apply to the ball?