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April 20, 2014

Homework Help: Physics

Posted by Chad on Wednesday, August 8, 2012 at 10:09pm.

Jenn Suhr recently won the gold medal in this summer’s Olympic games in pole vault. Her record is 16 ft,
2 in. (She did less than that to win gold this summer.) If all of her gravitational potential energy came only
from her kinetic energy, calculate (in m/s) the running speed necessary to make this vault. Assuming the
vaulting pole to be elastic, does the pole “add”energy to this system? Explain.

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