A body of mass m is moving in a straight line at a constant speed v. Its kinetic energy…
Physics · JEE Advanced · NTA Exams — Work, Energy and Power
A body of mass m is moving in a straight line at a constant speed v. Its kinetic energy is K and the magnitude of its momentum is p. Which of the following relations are correct?
- p =\(\sqrt{2 m K}\)
- p =\(\sqrt{\frac{2 K}{m}}\)
- \(2 K=p v\)
- v =\(\sqrt{\frac{2 K}{p}}\)
Answer
(A) p = 2 m K, (C) 2 K=p v
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