the size of the cannon ball depends on the size of the cannon. civil war cannons had cannon balls about the size of a child's head, aprox 30cm across
less dense
A cannon ball.
a cannon ball
Yes, both have the same energy, but because cannon is heavier the cannon ball gets more momentum and thus greater velocity.
cannon ball
The cannon would want to move backwards with the same speed as the ball wants to move forward.
The first cannon ball was made in the 3rd century BC in a place called Alexandra
1.2 x 10^4 J That is in Significant Figures
the explosion of gunpowder behind it propells it out of the cannon.
not
Wabash Cannon Ball - 1946 was released on: USA: 23 December 1946
The Tardy Cannon Ball - 1914 was released on: USA: 10 October 1914