A block moving horizontally on a smooth surface with a speed of 40ms-1 splits into two equal parts. If one of the parts moves at 60 ms-1 in the same direction, then the fractional change in the kinetic energy will be x : 4 where x = __________.
A block moving horizontally on a smooth surface with a speed of 40ms-1 splits into two equal parts. If one of the parts moves at 60 ms-1 in the same direction, then the fractional change in the kinetic energy will be x : 4 where x = __________.
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1 Answer
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v’ = 20 m/s
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