What is the ratio of kinetic energy after impact?

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asked Oct 9, 2017 in Engg-mechanics by chandu (215k points)
retagged Oct 9, 2017 by chandu

A hammer of mass 600 kg falls on to the top of a pile of mass 150 kg. What is the ratio of kinetic energy after impact?

(a) 1.25 (b) 1.00 (c) 0.80 (d) 0

iasprelims
2007
engg-mechanics
work-and-energy

What is the ratio of kinetic energy after impact?

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