One end of a rope is tied to a 11 kg hanging weight. The rope goes over a pulley and the other end is tied to a 11.7 kg block on flat ground and pulls the block horizontally towards the pulley. The coefficient of kinetic friction is .2. The block is sliding away from the pulley at 3.0 m/s (the weight is being pulled upwards). What is the magnitude of the acceleration of the block in meters per second squared?

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: