CBSE Class 11-science Answered
can a body have a momentum and no kinetic energy? why?why not?
Asked by narinder | 18 Aug, 2010, 10:18: PM
Expert Answer
No.
A nonzero momentum means a nonzero velocity, since mass can't be zero.
Now a nonzero velocity, when dot producted with itself. v.v = v2 to be used in kinetic energy calculation gives a nonzero scalar.
It's obvious that a body can't have momentum and no KE or vice versa.
Regards,
Team,
TopperLearning.
Answered by | 18 Aug, 2010, 10:23: PM
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