Q171. A 0.2 kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30m/s and rebounds up at 20m/s. The impulse on the ball during the collision is:Physics — Forces and Motion — Question 171 of 419A. 10 Ns upwardB. 2.0 Ns upwardC. 10 Ns downwardD. 2.0 Ns downwardPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →