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physical science

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Suppose you are playing ice hockey in the middle of a totally frictionless frozen pond. How can you move yourself to the edge of the pond? Explain what you would do and why it would work.

  • physical science - ,

    Throw your hockey gear forward and you will move back. Conservation of momentum says momentum of system remains zero.
    So
    equipment mass times its speed forward = your mass times your speed backward

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