A super dart of mass 20 g,traveling at 350 m/s,strikes a steel plate at an angle of 30° with the plane of the plate,as shown in the figure.It bounces off the plate at the same angle but at a speed of 320 m/s.What is the magnitude of the impulse that the plate gives to the bullet?
A)0.52 N ∙ s
B)4.3 N ∙ s
C)300 N ∙ s
D)6.7 N ∙ s
E)0.30 N ∙ s

Question

A super dart of mass 20 g,traveling at 350 m/s,strikes a steel plate at an angle of 30° with the plane of the plate,as shown in the figure.It bounces off the plate at the same angle but at a speed of 320 m/s.What is the magnitude of the impulse that the plate gives to the bullet? 
A)0.52 N ∙ s 
B)4.3 N ∙ s 
C)300 N ∙ s 
D)6.7 N ∙ s 
E)0.30 N ∙ s

Quizplus · Accepted Answer

The Answer of A super dart of mass 20 g,traveling at 350 m/s,strikes a steel plate at an angle of 30° with the plane of the plate,as shown in the figure.It bounces off the plate at the same angle but at a speed of 320 m/s.What is the magnitude of the impulse that the plate gives to the bullet? 
A)0.52 N ∙ s 
B)4.3 N ∙ s 
C)300 N ∙ s 
D)6.7 N ∙ s 
E)0.30 N ∙ s

A Super Dart of Mass 20 G,traveling at 350 M/s,strikes