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March 28, 2017

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A Princeton prof. (mass = 67.0 kg), surprised by the large stopping force he calculates for jumping flat footed from a height of 0.11 m, decides to try the experiment. Calculate he deceleration (in g's) if he stops in a distance of 0.30 cm. (Do not try this. You could easily break an ankle!)

  • physics - ,

    Potential energy mgh
    work stopping: force*distance

    set them equal.

  • physics - ,

    yeah you wanna do that and tell me what you get or just tell me what you used for the masses because i keep getting wrong.

  • physics - ,

    i've gotten 41.57 41.92 and 5.68 when i only used the mass of the bullet

  • physics - ,

    mass of the bullet? come back to planet Earth.
    Force=massman*g*height/distance

    put height and distance in meters.

  • physics - ,

    ha wrong question sorry.

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