Solve the Problem $176 \mathrm { ft }$ High with an Initial Velocity Of

question 190

Multiple Choice

Solve the problem.
-A coin is tossed upward from a balcony $176 \mathrm { ft }$ high with an initial velocity of $16 \mathrm { ft } / \mathrm { sec }$ . During what interval of time will the coin be at a height of at least $80 \mathrm { ft }$ ? $\left( \mathrm { h } = - 16 \mathrm { t } ^ { 2 } + \mathrm { v } _ { 0 } \mathrm { t } + \mathrm { h } _ { 0 } \right.$ .)

• A) \(3 \leq t \leq 6\)
• B) \(2 \leq t \leq 3\)
• C) \(0 \leq t \leq 3\)
• D) \(0 \leq t \leq 1\)

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