A cannonball fired from a long-barrel cannon will have a greater muzzle velocity because the cannonball receives a greater

Question

Quizplus · Accepted Answer

Muzzle velocity depends on impulse, which is the product of force and time. Since the time of contact between the cannonball and the cannon barrel is the same, a longer barrel will allow for a greater force to be exerted on the cannonball, thus increasing its impulse and therefore its muzzle velocity.

A Cannonball Fired from a Long-Barrel Cannon Will Have a Greater