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

  • question_answer
    Can there be a situation in which\[E-U<0\]?

    Answer:

                    No. As \[E=K+U\] or \[K=E-U\]But kinetic energy \[K\] cannot be negative. So \[E-U\] is never less than zero.


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