A body of mass 1 kg moving with initial velocity of 1 m/sec is acted upon by a force for
1 sec. The increase in kinetic energy is
A. 1.0.J
B. 2.0 J
C. 2.5 J
D. 3.0 J
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Answer:
A. 1 J
Explanation:
As kinetic energy = ½mv² . So the energy = ½ × 1 × 1 J =1 J
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