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Posted by on Thursday, October 14, 2010 at 1:17am.

A worker at the top of a deep well, drops a hammer into the well. The hammer takes 2.81x10^-2 minutes to fall. How deep is the well?

  • Physics - , Thursday, October 14, 2010 at 1:54am

    There is a formula for the distance an object falls vs. time. You must have seen it before.

    Distance = (1/2) g t^2 + Vo*t

    That is the one to use.

    Assume the initial velocity Vo is zero. That makes the problem even simpler.

    I recommend converting the time of 0.28 minutes to seconds and using g = 9.8 m/s^2

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