Guest

A 0.2 kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m/s and rebounds at 20 m/s. Find the change in momentum of the ball as a result of the collision with the side walk (in kg m/s).

A 0.2 kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m/s and rebounds at 20 m/s. Find the change in momentum of the ball as a result of the collision with the side walk (in kg m/s).

Grade:12

2 Answers

OCEAN GODRE
40 Points
13 years ago

answer will be 2 kgm/s

vikas askiitian expert
509 Points
13 years ago

change in momentum =mdv

                                =m(Vf - Vi)

                                =.2(30-(-20))=10N.S

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free