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chemistry/physics

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If a rock climber accidentally drops a 69.0 g piton from a height of 305 meters, what would its speed be just before striking the ground? Ignore the effects of air resistance.

  • Physics -

    PE=KE
    mgh=1/2mv^2

    Masses cancel out, so you do not need to know it.
    solve for v

    (2gh)^1/2=v
    (2*(9.8m/s^2)(305m))^1/2=v

  • chemistry/physics -

    2992.05

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