Q50. A particle of mass m at rest is acted upon by a force F for a time t. Its K.E after an interval t isPhysics — Work, Power and Energy — Question 50 of 238A. F²t²mB. F²t²/3mC. F²t2/2mD. Ft/2mPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →