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- Homework Statement
- A 50,000kg Cannon fires a cannon ball of mass 20kg. If the final velocity of the cannon ball is 10,000m/s to the right, what will the final velocity and direction of the Cannon be?

- Relevant Equations
- m1v1 + m2v2 = m1v1' + m2v2'

So I am guessing the cannons final velocity will be 4 m/s to the left because there momentum before shot was 0 because of opposite and equal reaction so

50,000kg x -4 m/s + 20kg x 10,000 m/s = 0 ?

50,000kg x -4 m/s + 20kg x 10,000 m/s = 0 ?