A 03 Kg Rubber Ball Is Dropped from the Window of of a Building.It

Multiple Choice

A 0.3 kg rubber ball is dropped from the window of a building.It strikes the sidewalk below at 30 m/s and rebounds up at 20 m/s.The magnitude of the impulse due to the collision with the sidewalk is:

A) 3.0 N∙s
B) 6.0 N∙s
C) 9.0 N∙s
D) 15 N∙s
E) 29 N∙s