physics
posted by Anonymous .
a 70 kg box slides along the floor by a 400N force. the coefficient of friction between the box and the floor is 0.50 when the box is sliding. find the acceleration of the box.

physics 
drwls
Use Fnet = M*a and solve for a
Fnet = Fapplied  Ffriction
Ffriction = M*g*mu_k = 343 N
Put it all together
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