Artillery A projectile fired into the first quadrant from
Chapter 8, Problem 81(choose chapter or problem)
Artillery A projectile fired into the first quadrant from the origin of a coordinate system will pass through the point (x, y) at time t according to the relationship , where the angle of elevation of the launcher and g the acceleration due to gravity An artilleryman is firing at an enemy bunker located 2450 feet up the side of a hill that is 6175 feet away. He fires a round, and exactly 2.27 seconds later he scores a direct hi(a) What angle of elevation did he use? (b) If the angle of elevation is also given by , where is the muzzle velocity of the weapon, find the muzzle velocity of the artillery piece he used. Source: www.egwald.com/geometry/projectile3d.php
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