4. A 2kg block and a 3kg block collide with the velocities shown. a) Find the momenta of the blocks before and after the collision, and fill in the table. Include the correct sign. b) Find the velocity of the 3kg block after the collision. A 2kg 7m/s 8m/s 2kg 1m/s 3kg B 3kg V PAi P Bi PAf PBf

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4. A 2kg block and a 3kg block collide with the velocities shown.
a) Find the momenta of the blocks before and after the collision, and fill
in the table. Include the correct sign.
b) Find the velocity of the 3kg block after the collision.
2kg
7m/s
8m/s
2kg
1m/s
3kg
B
3kg
V
PAi
P Bi
PAf
P Bf
Transcribed Image Text:4. A 2kg block and a 3kg block collide with the velocities shown. a) Find the momenta of the blocks before and after the collision, and fill in the table. Include the correct sign. b) Find the velocity of the 3kg block after the collision. 2kg 7m/s 8m/s 2kg 1m/s 3kg B 3kg V PAi P Bi PAf P Bf
Expert Solution
Step 1

Given data: 

Mass of block A (mA) = 2 kg

Mass of block B (mB) = 3 kg

Initial velocity of block A (vAi) = +8 m/s

Initial velocity of block B (vBi) = -1 m/s

Final velocity of block A (vAf) = -7 m/s

Required:

The final velocity of the block B after the collision 

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