Problem: Blocks A and B are moving on a horizontal frictionless air track. Block A has mass 4.00 kg and block B has mass 2.00 kg. Initially block A is moving to the right at 6.00 m/s and block B is moving to the left at 9.00 m/s. The blocks collide and after the collision block A is moving to the left at 2.00 m/s. What is the velocity of block B after the collision?A) 1.00 m/s to the leftB) 1.00 m/s to the rightC) 7.00 m/s to the leftD) 7.00 m/s to the rightE) 13.0 m/s to the leftF) 13.0 m/s to the rightG) None of the above answers

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Problem Details

Blocks A and B are moving on a horizontal frictionless air track. Block A has mass 4.00 kg and block B has mass 2.00 kg. Initially block A is moving to the right at 6.00 m/s and block B is moving to the left at 9.00 m/s. The blocks collide and after the collision block A is moving to the left at 2.00 m/s. What is the velocity of block B after the collision?

A) 1.00 m/s to the left

B) 1.00 m/s to the right

C) 7.00 m/s to the left

D) 7.00 m/s to the right

E) 13.0 m/s to the left

F) 13.0 m/s to the right

G) None of the above answers

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