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Hello sir, Which would have greater effect on kinetic energy of an object ? Whether doubling the mass of the object or doubling the velocity of the object ? plesae explain me the above question briefly. thank you.
Asked by seeni2005 | 07 Oct, 2018, 11:47: AM
Kinetic energy, K = (1/2)m×v2  ................(1)

m is mass and v is velocity.

if we double the mass, Kinetic energy  = (1/2)×2m×v2 = 2K

if we double the velocity, Kinetic energy  = (1/2)×m×(2v)2 = 4K

Hence doubling the velocity is getting greater effect, because kinetic energy becomes 4 times of its initial value
Answered by Thiyagarajan K | 07 Oct, 2018, 05:37: PM

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