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state true and false with reasons:1.)a man rowing a boat upstream is at rest w.r.t the done by him is 0. 2.)a light and a heavy particle having equal momentum have equal kineic energy.

Asked by Deepshikha deepsi 7th March 2013, 6:44 AM
Answered by Expert
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 Expert 9th March 2013, 8:18 AM
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