Question

which will have great effect on Kintic energy of a body doubling the mass of doubling the velocity.justify your answer

Answer 1

velocity because it will change k.e. square of ots change.

Answer 2

velocity has a great effect on kinetic  energy bcoz
k=1/2mv² 
therefore  double of mass remain double but double of velocity get squared  
(since k is directly proportional to velocity and mass  there kinetic energy is more affected by velocity.
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