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Some Questions About Momentum. Created for CVCA Physics By Dick Heckathorn 17 November 2K+2. 1. Discuss the advisability of attempting to jump from a rowboat to a dock that seems just within jumping distance.

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Some questions about momentum l.jpg

Some Questions About Momentum

Created for CVCA Physics

By

Dick Heckathorn

17 November 2K+2


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1. Discuss the advisability of attempting to jump from a rowboat to a dock that seems just within jumping distance.


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2. In terms of impulse and momentum, why are padded dashboards safer in automobiles?


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3. In terms of impulse and momentum, why are nylon ropes, which stretch considerably under stress, favored by mountain climbers?


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  • The apple that which stretch considerably under stress, favored by mountain climbers?is said to have dropped on the head of Isaac Newton may have weighed about 1 Newton.

    The force of impact, however, would have been considerably greater than 1 Newton.

    Why?



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6 . A fully dressed person is at rest in the middle of a pond on perfectly frictionless ice and must get to shore.

How is this accomplished?


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7. Why is it difficult for a fire-fighter to hold a hose that ejects large amounts of high speed water?



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14. Why when you strike a normal brick does it hurt more that when you strike a rubber brick?


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15. Why does a long-jumper build up all the speed he can get before his jump, whereas a high-jumper runs fairly slowly?


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16. Why is follow-through more important when hitting a softball than when hitting a baseball.


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That’s all folks! with the help of two 5-lb weights.


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