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April 24, 2014

Homework Help: Physics

Posted by Bella on Wednesday, September 30, 2009 at 5:14pm.

A force sensor is used to measure a force applied to a 7.5 kg box on a hard, horizontal surface. It records that the box starts to move when the force is equal to 16.5 N. This force makes the box start to move with an acceleration of 0.5 m/s2. Find s and k respectively.

I keep getting .0510 or -.0510 but it's wrong.

Ff=M*N Ff=Fnet=m*a N=m*g these are formula's i've used..

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