Physics, 30.10.2019 06:31, Wintersavannah

Acannon on a railroad car is facing in a direction parallel to the tracks. it fires a 98.0-kg shell at a speed of 215 m/s (relative to the ground) at an angle of 60.0° above the horizontal. if the cannon plus car have a mass of 5.00 × 104 kg, what is the recoil speed of the car (relative to the ground) if it was at rest before the cannon was fired? express your answer in m/s.

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Acannon on a railroad car is facing in a direction parallel to the tracks. it fires a 98.0-kg shell...