# Antiaircraft gun force physics problem

• zcabral
Flak 40 antiaircraft gun to achieve a muzzle speed of 910 m/s for a 24.4 kg shell. He is aware that the force can be calculated using F=ma, but is unsure of the acceleration. Further information is needed about the motion of the bullet, such as initial and final speeds and the distance over which it is accelerating, in order to determine the necessary force.
zcabral

## Homework Statement

The largest-caliber antiaircraft gun operated by the German air force during World War II was the 12.8 cm Flak 40. Suppose this weapon fired a 24.4 kg shell with a muzzle speed of 910 m/s. What propulsive force was necessary to attain the muzzle speed within the 6.00 m barrel? (Assume the shell moves horizontally with constant acceleration and neglect friction.)

F=ma

## The Attempt at a Solution

I know the force will be obtained by multiplying 24.4 by acceleration, however i can't determine acceleration.
[

What do you know about the motion of the bullet? Initial/Final Speeds? Over what distance is it accelerating? HINT: Go back to kinematics.

Look at your constant acceleration equations

Chris

## What is the purpose of an antiaircraft gun?

The purpose of an antiaircraft gun is to shoot down enemy aircraft and prevent them from reaching their intended target.

## What forces are involved in the physics of an antiaircraft gun?

The main forces involved in the physics of an antiaircraft gun are gravity, air resistance, and the force generated by the gun's propulsion system.

## How does the angle of elevation affect the trajectory of an antiaircraft gun's projectile?

The angle of elevation determines the height and distance that the projectile will travel. A higher angle will result in a longer flight time and a steeper trajectory, while a lower angle will result in a shorter flight time and a flatter trajectory.

## What factors affect the accuracy of an antiaircraft gun?

The accuracy of an antiaircraft gun can be affected by factors such as wind speed and direction, the speed and direction of the target aircraft, and the skill of the gunner.

## How does air resistance impact the flight of an antiaircraft gun's projectile?

Air resistance, also known as drag, slows down the projectile and changes its trajectory. This must be taken into account when aiming the gun to ensure accuracy.

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