Two bodies of equal masses move with uniform velocities u and 3u respectively find the ratio of there kinetic energies
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KE=1/2mv^2
since mass is same
KE1/KE2=u1^2/u2^2
=u^2/9u^2
=1:9
since mass is same
KE1/KE2=u1^2/u2^2
=u^2/9u^2
=1:9
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