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