Solve.The motion of a projectile that is fired at a 30° angle with the horizontal is given by x = v0
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 750 feet per second at an angle of 30° with the horizontal. Find (a) the time when it reaches maximum altitude (b) the maximum altitude.
A. (a) 11.7 seconds
(b) 2197 feet
B. (a) 20.3 seconds
(b) 19,775 feet
C. (a) 23.4 seconds
(b) 15,223 feet
D. (a) 46.9 seconds
(b) 4395 feet
Answer: A
Mathematics
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