Question: A 7 . 0 kg object is moving at 7 . 0 m s * A 7 . 0 N f force is applied in

A 7.0 kg object is moving at 7.0ms*A7.0Nf force is applied in the direction of motion and then removed after the object has traveled an additional 6.0 m . The object's change in kinetic energy is
84 J
210 J
420 J
42 J
170 J
A 7 . 0 kg object is moving at 7 . 0 m s * A 7 .

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