Posted by **tina** on Wednesday, January 2, 2013 at 6:29pm.

4. Jane weighs 150 lbs and Bob weighs 220 lbs. They decide to try skydiving. If they jump at the same time, who would reach the ground first

- physical science -
**Elena**, Thursday, January 3, 2013 at 5:18am
t1=t2=sqrt(2h/g)

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