A rocket is moving up with a velocity v. If the velocity of this rocket is suddenly tripled, what will be the new kinetic energies?
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Let, m be the mass of rocket.
Initial kinetic energy is, KEi = ½ mv2
Final kinetic energy is, KEf = ½ m(3v)2 = 9 KEi
Therefore, KEi : KEf = 1 : 9
Initial kinetic energy is, KEi = ½ mv2
Final kinetic energy is, KEf = ½ m(3v)2 = 9 KEi
Therefore, KEi : KEf = 1 : 9
jatinbhatia:
we have to find its new kinetic energy. Is it their ratios?
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