A 14-kg projectile is launched at 380 m/s at a 55 angle to the horizontal. At the peak
Chapter 9, Problem 81(choose chapter or problem)
A 14-kg projectile is launched at 380 m/s at a 55 angle to the horizontal. At the peak of its trajectory it collides with a second projectile moving horizontally, in the opposite direction, at 140 m/s. The two stick together and land 9.6 km horizontally downrange from the first projectiles launch point. Find the mass of the second projectile.
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