What Is Upthrust???
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A body of mass 20 kg , initially moving with a velocity 30 m/s collides with
another body of mass 15 kg moving with a velocity 20 m/s. After collision the
velocity of the first object becomes 25 m/s. Calculate the velocity of the second
object after collision.
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Upthrust: It is a force that pushes an object up and makes it seem to lose weight in a fluid. The upthrust keeps ships afloat, and keeps swimmers on top of the water.
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