Solve the Problem $t$ In Seconds Is $\mathrm { s } = 16 \mathrm { t } ^ { 2 } + 32 \mathrm { t }$

question 59

Multiple Choice

Solve the problem. Give the answer to the nearest tenth.
-A ball is thrown downward from a window in a tall building. Its position at time $t$ in seconds is $\mathrm { s } = 16 \mathrm { t } ^ { 2 } + 32 \mathrm { t }$ , where $s$ is in feet. How long (to the nearest tenth) will it take the ball to fall 280 feet?

• A) \(3.3 \mathrm { sec }\)
• B) \(10.9 \mathrm { sec }\)
• C) \(3.1 \mathrm { sec }\)
• D) \(4.2 \mathrm { sec }\)

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