Solve the problem.A projectile is fired with an initial velocity of 500 feet per second at an angle of 45° with the horizontal. In how many seconds will the projectile strike the ground? (Round your answer to the nearest tenth of a second.) The parametric equations for the path of the projectile are x = (500 cos 45°)t, and y = (500 sin 45°)t - 16t2.
A. 18.7 sec
B. 26.9 sec
C. 30.2 sec
D. 22.1 sec
Answer: D
Mathematics
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