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March 27, 2015

Homework Help: physics

Posted by sally on Thursday, March 29, 2012 at 7:08pm.

A 67.5-kg basketball player jumps vertically and leaves the floor with a velocity of 1.66 m/s upward. (Take upward as positive and forward as positive.)
(a) What impulse does the player experience?

magnitude

direction (up,down, back or zero)

(b) What force does the floor exert on the player before the jump?

magnitude

direction

(c) What is the total average force exerted by the floor on the player if the player is in contact with the floor for 0.450 s during the jump?

magnitude
direction

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