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An object of mass 80 kg moving with velocity 2 ms-1 hit by collides with another object of mass 20 kg moving with velocity 4 ms-1. Find Thw LOss Of energy assuming a perfectly inelastic collisin.?
We have loss in KE = {m1m2÷2(m1+m2)}(1-e2)(u1-u2)2Putting m1=20 kg, m2=80 kg, u1=4 m/s, u2=2 m/s, and e=0Loss in KE = 32 joule
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