# physics

Part 2
You are a pirate working for Dread Pirate
Roberts. You are in charge of a cannon that
exerts a force 20000 N on a cannon ball while
the ball is in the barrel of the cannon. The
length of the cannon barrel is 2.19 m and
the cannon is aimed at a 32◦
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 =86 m/s, what mass cannon ball must you use?

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)?

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