The kinetic energy of an object of mass m, moving with a velocity of 5 m/s is 25 J. What will be its kinetic energy when its speed is doubled?
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1
Answer:
Hence, kinetic energy = 25 × 4 = 100 J. (ii) If velocity is increased three times, then its kinetic energy becomes 9 times the original value, because it is proportional to the square of the velocity. Hence, kinetic energy = 25 × 9 = 225 J.
Explanation:
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Answered by
2
Answer:
kinetic energy = 25 × 4 = 100 J.
If velocity is increased three times,
then its kinetic energy becomes 9 times the original value,
because it is proportional to the square of the velocity.
Hence, kinetic energy = 25 × 9 = 225 J.
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