2. a body of 2 kg mass makes an elastic collision with another body at rest. The velocity of the 2 kg mass is reduced to one-fourth of the original velocity. However, direction remains unchanged. What is the mass of the body struck?
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An object of 2.0-kg mass makes an elastic collision ... to move in the original direction but with one-fourth of its original speed. What is the mass of the struck object? ... A bag of sand of mass 2 kg is suspended by a rope. ... A car accelerates from rest a constant rate for first 10 sec
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