Q. A light and a heavy body have equal momenta. Which one has greater K.E.
A) The light body
B) The heavy body
C) The K.E. are equal
D) Data is incomplete
Explanation
(a) $E = \frac{P^{2}}{2m}$ if $P =$ constant then $E \propto \frac{1}{m}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.