Solve the Problem $160 \mathrm { ft } / \mathrm { sec }$

question 475

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 $160 \mathrm { ft } / \mathrm { sec }$ , and the gorge is $384 \mathrm { ft }$ deep, during what interval can the flare be seen? $\left( h = - 16 \mathrm { t } ^ { 2 } + \mathrm { v } _ { 0 } \mathrm { t } + \mathrm { h } _ { 0 } \right.$ .)

• A) \(4 < \mathrm { t } < 6\)
• B) \(12 < t < 14\)
• C) \(8 < t < 10\)
• D) \(0 < \mathrm { t } < 4\)

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Definitions:

Waste

Describes materials or substances that are no longer useful in their current form and are discarded or disposed of.

Push System

A production strategy where products are manufactured based on anticipated demand, pushing them through to the end of the production line.

Pull System

A production strategy that relies on demand-driven production where products are only made when there is a customer demand, to reduce waste.

Throughput

The rate at which a system generates its products or services over a specific period.