Solve the Problem $176 \mathrm { ft } / \mathrm { sec }$

Solve the problem.
-A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of $176 \mathrm { ft } / \mathrm { sec }$ , and the gorge is $448 \mathrm { ft }$ deep, during what interval can the flare been?
$$\left( h = - 16 t ^ { 2 } + v _ { 0 } t + h _ { 0 } \right. \text { ) }$$

A) $8 < t < 11$
B) $0 < t < 4$
C) $4 < \mathrm { t } < 7$
D) $12 < \mathrm { t } < 15$

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free