A cannon is mounted on a railroad flatcar, the muzzle
Chapter 6, Problem 6.61(choose chapter or problem)
A cannon is mounted on a railroad flatcar, the muzzle elevated to 30.0 and pointed in the direction of the track. The cannon fi res a 1.00metric-ton projectile at 1.00 km/s. (a) If the flatcar and cannon together have a mass of 36.0 metric tons (not including the projectile), what is the initial recoil speed of the flatcar? (b) In this problem, it appears that momentum in the y-direction is not conserved. Explain what happens to it.
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