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Posted by on Sunday, February 27, 2011 at 6:17pm.

A children’s roller coaster is released from the top of a track. If its maximum speed at ground level is 8 m/s, find the height it was released from.

  • Physics - , Sunday, February 27, 2011 at 7:18pm

    (1/2)MVmax^2 = M g H

    Cancel out the M's and solve for H.

    (This neglects friction and extra rotational kinetic energy of the wheels. It will give you an approximate answer that is an upper bound)

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