3) Bill and Sally are at an ice-skating rink, and Sally gives Bill a playful 25.0 N push. This causes them to accelerate away from each other at 0.733 m/s2. If Bill's mass is 75.0 kg, what is Sally's mass? (You may assume friction is negligible.)

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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: