A rocket is moving up with a velocity v . The velocity of this rocket is suddenly tripled, what will be the ratio of two kinetic energies ?
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2
Answer:
Initial velocity =v, then v′=3v (Tripled Velocity)
Initial kinetic energy =21mv2
Final kinetic energy (K.E.)=21mv′2=21m(3v)2=9(21mv2)
∴ (K.E.)initial:(K.E.)final=21mv2:9(21mv2)=1:9
Answered by
3
Answer:
1:9
Explanation:
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