Task id12673
A gun is mounted on a railway platform moving by inertia at speed V. The gun barrel is directed towards the movement of the platform and raised above the horizon. The gun fired, after which the speed of the platform decreased three times. Find the speed v of the projectile (relative to the ground) if it leaves the barrel at an angle a to the horizontal. The mass of the projectile is m, the mass of the platform with the gun is M.
Detailed solution. Format gif
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