Q167. If the speed of a particle at the end of four successive hours is 20, 25, 30, 35 km/hr, then the acceleration of the particle is:Physics — Forces and Motion — Question 167 of 419A. 5 m/sec2B. 5 m/hr2C. 5 km/hr2D. 5 km/sec2Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →