A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted on the ball by the floor?
A)9.6 N s
B)2.4 N s
C)6.4 N s
D)1.6 N s
E)1.0 N s

Question

A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted on the ball by the floor?
A)9.6 N s 
B)2.4 N s 
C)6.4 N s 
D)1.6 N s 
E)1.0 N s

Quizplus · Accepted Answer

The Answer of A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted on the ball by the floor?
A)9.6 N s 
B)2.4 N s 
C)6.4 N s 
D)1.6 N s 
E)1.0 N s

A 24-Kg Ball Falling Vertically Hits the Floor with a Speed