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

question 208

Multiple Choice

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 be seen?
$$\left( h = - 16 t ^ { 2 } + v _ { O } t + h _ { O } \right)$$

• A) \(8 < t < 11\)
• B) \(12 < t < 15\)
• C) \(0 < t < 4\)
• D) \(4 < t < 7\)

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Definitions:

Increased Self-Awareness

A heightened state of being conscious of one's own character, feelings, motives, and desires.

Over-Justification Effect

The phenomenon where extrinsic rewards decrease a person's intrinsic motivation to perform a task because the action is seen as driven by the reward, not personal interest or enjoyment.

Self-Reference Effect

The finding that information bearing on the self is processed more thoroughly and more deeply, and hence remembered better, than other information.

Public Self-Awareness

Looking outward on the public aspects of the self that others can see and evaluate.