Solve the Problem $45 ^ { \circ }$ With the Horizontal $24.7 \mathrm { sec }$

Multiple Choice

Solve the problem.
-A projectile is fired with an initial velocity of 450 feet per second at an angle of $45 ^ { \circ }$ with the horizontal. In how many seconds will the projectile strike the ground? (Round your answer to the nearest tenth of a second.)

A) $24.7 \mathrm { sec }$
B) $16.5 \mathrm { sec }$
C) $28 \mathrm { sec }$
D) $19.9 \mathrm { sec }$