Solving problem very important

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The discussion focuses on calculating the propulsive force required for the German 12.8-cm Flak 40 antiaircraft gun to achieve a muzzle speed of 880 m/s within a 6.00 m barrel. To find the necessary acceleration, kinematic equations are applied, assuming constant acceleration and neglecting friction. Once the acceleration is determined, the force can be calculated using Newton's second law, F = ma. The conversation emphasizes the importance of these calculations in understanding the gun's performance. Accurate calculations are essential for solving this problem effectively.
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please help me to solve this problem thank you
the largest-caliber antiaircraft gun operated by the german air force during wold was the 12-8-cm flak 40 .this weapon fired a 25.8-kg shell with a muzzle speed of 880 m/s. what propulsive force was necessary to attain the muzzle speed within the 6.00m barrel ? ( assume the sheel moves horizantally with constant acceleration and neglect friction)
 
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Find the acceleration using kinematics... then get the force using F = ma.
 

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