Question

if velocity of a body increases 3 times ,then what will effect on its kinetic energy?

Answer 1

Hey mate..!!


Here's your answer...
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$kinetic \: energy = 1 \div 2m {v}^{2} \\ since \: velocity = 3times \\ thus \: energy \: becomes \: = {3}^{2} = 9times$
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HOPE IT HELPS...

@Rêyaañ11

Answer 2

the k.e formula is 1/2mv2 so we subt the voicty in 3times we get answer of 1500%