1.

If an object has 0 momenta, does it have kinetic energy? Explain your answer.

Answer»
  • No, it does not have kinetic energy if it does not have momentum. 
  • Momentum is the product of mass and velocity. If it is zero, it implies that v = 0 (since mass can never be zero). 
  • Now K.E = ~ mv2, So if v = 0 then K.E also will be zero. 
  • Thus, if an object has no momentum then it cannot possess kinetic energy.


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