state true and false with reasons:1.)a man rowing a boat upstream is at rest w.r.t the shore.work done by him is 0. 2.)a light and a heavy particle having equal momentum have equal kineic energy.
Asked by Deepshikha deepsi | 7th Mar, 2013, 06:44: AM
1. Here work done by him is frame dependent.
with respect to shore it is zero but with respect to the river water it is a finite number.
2. False KE and momentum are related as: p2/2m = E
p = mementum
E = KE
Answered by | 9th Mar, 2013, 08:18: AM
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