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Can any object have momentum even if its mechanical energy is zero? Explain - Science

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Question

Can any object have momentum even if its mechanical energy is zero? Explain

Answer in Brief
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Solution

No, if mechanical energy = kinetic energy + potential

energy = 0,

So, potential energy = kinetic energy = 0

or `1/2"mv"^2` = 0 or v = 0

So, momentum, p = mv = 0

Any object can not have momentum even if

its mechanical energy is zero.

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Chapter 11: Work and Energy - Short Answer Questions [Page 69]

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NCERT Exemplar Science [English] Class 9
Chapter 11 Work and Energy
Short Answer Questions | Q 14. | Page 69

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