Physics, 05.03.2020 00:44 xxxharveyweinsteinxx

A plane moving 200 m/s horizontally fires a projectile with speed 50 m/s in a forward direction 30.0° below the horizontal. At that instant, what is the speed of the projectile with respect to a stationary observer on the ground?

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A plane moving 200 m/s horizontally fires a projectile with speed 50 m/s in a forward direction 30.0...

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