Q: Two objects, x and y, have equal mass and are moving with speeds u and 3u respectively. Their kinetic energies kx and ky are related as
(a)kx = ky
(b)2kx = ky
(c)9kx = ky
(d)3kx = ky
Correct Answer: (c)
The correct answer is (b) '2Kx = Ky'. This question from the General Studies domain tests knowledge of Miscellaneous.