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July 23, 2014

Homework Help: Physics

Posted by Kyle on Tuesday, September 13, 2011 at 10:58pm.

Superman throws a boulder of weight 3500 N at an adversary. What horizontal force must Superman apply to the boulder to give it a horizontal acceleration of 12.7 m/s^2?

F=?
Fnet(x)=MA(x)
I did (3500 N)(12.7 m/s^2) = 44450 N
This answer is wrong. So what's up?

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