Homework Help: physics

Posted by gallium on Wednesday, August 31, 2011 at 7:55pm.

a constant force acts for 3s on a body of mass 16kg and then ceases to act.during the next 3s,the body covers 81m.find the magnitude of the force.

physics - bobpursley, Wednesday, August 31, 2011 at 9:29pm
assuming no friction, its final velocity is 81/3 m/s

Vf=a*t= Force/mass * t
solve for force.

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