# Physics

Part 1
You are a pirate working for Dread Pirate Roberts. You are in charge of a cannon that exerts a force 10000 N on a cannon ball while the ball is in the barrel of the cannon. The length of the cannon barrel is 2.47 m and the cannon is aimed at a 42degrees angle from the
ground. The acceleration of gravity is 9.8 m/s2 .
If Dread Pirate Roberts tells you he wants the ball to leave the cannon with speed v0 = 76 m/s, what mass cannon ball must you use? Answer in units of kg.

Part 2
Assuming the Dread Pirate Roberts never
misses, how far from the end of the cannon is the ship that you are trying to hit (Neglect dimensions of cannon)?

1. 0
2. 1
1. kk

posted by Anonymous

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