
Projectile MotionA projectile is launched at an angle of 45°ï¿½ with the horizontal and with an initial velocity of 64 feet per second. A television camera is located in the plane of the path of the projectile 50 feet behind the launch site (see figure).
(a) Find parametric equations for the path of the projectile in terms of the parameter
(b) Write the angle αa that the camera makes with the horizontal in terms of
(c) Use the results of part (b) to find
(d) Use a graphing utility to graph
(e) At what time is the angle

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