11th Class Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank 11th CBSE Physics Work, Energy, Power & Collision

  • question_answer
    Can a body have momentum without energy?

    Answer:

                    Yes. When \[\text{E}=\text{K}+\text{ V}=0\], either both are zero or \[\text{K}=-\text{V}\]. Thus K.E. may or may not be zero. As \[p=\sqrt{2mK}\] p = 0. only when K = 0 and p ¹ 0, when K = -V


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