A 120 kg child is standing at rest on a frozen pond the
A .120 kg child is standing at rest on a frozen pond. The child throws a 1.5 kg block initially at rest on a level frictionless surface. What is the speed by which the glob-block combination will move immediately after the collision?
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a 120 kg child is standing at rest on a frozen pond the child throws a 125 kg block horizontally to the east by speed
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