A 5 kg cannonball is shot from a cannon with a 3 m long barrel It is launched at an angle of
50° toward the 8 m high castle wall that is 80 m away.
a. What is the initial velocity if the cannon just clears the wall? (you may assume that the launch
point of the cannon is 8 m below and 80 m horizontally from the castle wall’s top)
b. What average force is exerted on the cannonball during its 3m launch distance so that it is able to
achieve this range?

Question

A 5 kg cannonball is shot from a cannon with a 3 m long barrel It is launched at an angle of
50° toward the 8 m high castle wall that is 80 m away.
a. What is the initial velocity if the cannon just clears the wall? (you may assume that the launch
point of the cannon is 8 m below and 80 m horizontally from the castle wall’s top)
b. What average force is exerted on the cannonball during its 3m launch distance so that it is able to
achieve this range?