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

question 246

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) \(19.9 \mathrm { sec }\)

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