7. A 4.0 kg ball moving to the right at 5.0 m/s collides head-on with a 2.0 kg ball moving to the left at 4.0 m/s. If the collision is elastic, determine the direction and speed of each ball after the collision. L 4.0 kg 2.0 kg 5.0 m/s 4.0 m/s O m² 2 1921
7. A 4.0 kg ball moving to the right at 5.0 m/s collides head-on with a 2.0 kg ball moving to the left at 4.0 m/s. If the collision is elastic, determine the direction and speed of each ball after the collision. L 4.0 kg 2.0 kg 5.0 m/s 4.0 m/s O m² 2 1921
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Transcribed Image Text:7. A 4.0 kg ball moving to the right at 5.0 m/s collides head-on with a 2.0 kg ball moving
to the left at 4.0 m/s. If the collision is elastic, determine the direction and speed of each
ball after the collision.
L
4.0 kg
2.0 kg
5.0 m/s 4.0 m/s
O
m² 2
1921
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