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physics

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A diver runs horizontally off the end of a diving board with an initial speed of 1.75 sec. If the diving board is 3.0 m above the water line, what is the diver’s speed just before she enters the water?

  • physics - ,

    1.75 sec. should read 1.75 m/s

    Equate total energy before and after dive:
    (1/2)mv²=(1/2)mx²+mgh
    =(1/2)m*1.75² + mg(3)
    Cancel out m and solve for v.
    g=acceleration due to gravity = 9.81 m/s².

  • physics - ,

    7.87

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