Physics, asked by tanu23081, 1 year ago

please help me guys in doing this question




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Answered by 07161020
1
KE=mv²/2
1. If mass becomes one fourth the KE=mv²/8 so KE is also pne fourth.
2. If velocity is 3 times then KE=9mv²/2 so KE is 9 times.
4.If mass and velocity is doubled then KE=2m*4v²/2=8mv²/2 so KE is 8 times.

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