A block of mass m = 34 kg and speed V is behind a block of mass M = 81 kg and speed of $0.50 \mathrm {~m} / \mathrm { s }$ as shown in the figure. The surface is frictionless and the blocks collide and couple. After the collision, the blocks have a common speed of $0.90 \mathrm {~m} / \mathrm { s }$ What is the magnitude of the impulse on the 34-kg block due to the collision?
A) 32 N ∙ s
B) 14 N ∙ s
C) 41 N ∙ s
D) 57 N ∙ s
E) 73 N ∙ s

Question

A block of mass m = 34 kg and speed V is behind a block of mass M = 81 kg and speed of $0.50 \mathrm {~m} / \mathrm { s }$ as shown in the figure. The surface is frictionless and the blocks collide and couple. After the collision, the blocks have a common speed of $0.90 \mathrm {~m} / \mathrm { s }$ What is the magnitude of the impulse on the 34-kg block due to the collision? 
A) 32 N ∙ s 
B) 14 N ∙ s 
C) 41 N ∙ s 
D) 57 N ∙ s 
E) 73 N ∙ s

Quizplus · Accepted Answer

The Answer of A block of mass m = 34 kg and speed V is behind a block of mass M = 81 kg and speed of $0.50 \mathrm {~m} / \mathrm { s }$ as shown in the figure. The surface is frictionless and the blocks collide and couple. After the collision, the blocks have a common speed of $0.90 \mathrm {~m} / \mathrm { s }$ What is the magnitude of the impulse on the 34-kg block due to the collision? 
A) 32 N ∙ s 
B) 14 N ∙ s 
C) 41 N ∙ s 
D) 57 N ∙ s 
E) 73 N ∙ s

A Block of Mass M = 34 Kg and Speed 0.50 m/s0.50 \mathrm {~m} / \mathrm { s }0.50 m/s

A Block of Mass M = 34 Kg and Speed $0.50 \mathrm {~m} / \mathrm { s }$