Solve the problem.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 700 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) 43.8 sec
(b) 3828 ft
B. (a) 18.9 sec
(b) 17,227 ft
C. (a) 21.9 sec
(b) 13,261 ft
D. (a) 10.9 sec
(b) 1914 ft
Answer: D
Mathematics
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