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

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) $0 \leq t \leq 1$

Correct Answer:

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