Homework Help: science fair

Posted by Brooke on Friday, March 28, 2008 at 7:08pm.

for my science fair project i am dropping a baseball from different heights and measuring its kinetic and potential energy. what would the independent and dependent variable be?

science fair - Damon, Friday, March 28, 2008 at 7:15pm
PE = f (h)
in fact m g h

the potential energy DEPENDS on the height (which you choose independently of the equation), as does the kinetic energy after falling a distance h.

I might be tempted to drop baseballs and beach balls and cotton candy to show that air friction is also part of the deal.

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