Solve the Problem $300 \mathrm { ft }$ High with an Initial Velocity Of

question 92

Multiple Choice

Solve the problem.
-A coin is tossed upward from a balcony $300 \mathrm { ft }$ high with an initial velocity of $32 \mathrm { ft } / \mathrm { sec }$ . During what interval of time will the coin be at a height of at least $60 \mathrm { ft }$ ? $\left( h = - 16 \mathrm { t } ^ { 2 } + \mathrm { v } _ { \mathrm { O } } \mathrm { t } + \mathrm { h } _ { \mathrm { O } } \right.$ .)

• A) \(0 \leq t \leq 5\)
• B) \(4 \leq \mathrm { t } \leq 5\)
• C) \(5 \leq t \leq 10\)
• D) \(0 \leq t \leq 1\)

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