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July 28, 2014

Homework Help: mc questions !

Posted by emmie on Tuesday, May 22, 2012 at 9:16pm.

Q:Which of the following are expressions for a type of potential energy? ( this question can have more than one answer !!!! )
a)mg(h_F-h_i)
b)F_f*d
c)(1/2)mv^2
d)(1/2)k*(final_x^2-initial_x^2)

Q:


If you are trying to figure out how high you can jump, which of the following pieces of information is the most useful?
a)the force you push on the ground with

b)the speed you leave the ground with

c)the type of shoes you are wearing

d) how far you bend your knees

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