MCQEasy1 mark
23
Select the correct option for each of the following questions A light body A and a heavy body B have the same momentum.
Choose a correct statement from the given options. (a) kinetic energy of body A and body B will be the same. (b) kinetic energy of body A is greater than kinetic energy of body B. (c) kinetic energy of body B is greater than kinetic energy of body A. (d) unless we know the velocity, we cannot find which body has greater kinetic energy
Topic: Work, energy and power
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(b) kinetic energy of body A is greater than kinetic energy of body B.
Explanation
For equal momentum, KE=p²/2m, so the lighter body has greater KE.
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