Solve the Problem $s ( t ) = - 16 \left( t ^ { 2 } \right) + 178 t$

question 286

Multiple Choice

Solve the problem.
-A toy rocket is shot vertically upward from the ground. Its distance in feet from the ground in t seconds is given by $s ( t ) = - 16 \left( t ^ { 2 } \right) + 178 t$ . At what time(s) will the ball be $235 \mathrm { ft }$ from the ground? Round your answer to the nearest tenth of a second.

• A) \(5.6 \mathrm { sec }\)
• B) \(11.1 \mathrm { sec }\)
• C) \(172.8 \mathrm { sec }\) and \(183.2 \mathrm { sec }\)
• D) \(1.5 \mathrm { sec }\) and \(9.6 \mathrm { sec }\)

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Definitions:

Material Requirements Planning

A system for effectively managing manufacturing processes by calculating the materials and components needed to produce a product.

Timetable

A schedule showing the times at which particular events or activities are intended to happen or take place.

Master Schedule

An outline that details the what, when, and how much for the production of products to meet demand.

What to Be Made

A decision-making process concerning the products or goods a company decides to produce or manufacture.