Solve the Problem $t$ Seconds Is $h = - 16 t ^ { 2 } + 640 t$

question 297

Multiple Choice

Solve the problem.
-A projectile is thrown upward so that its distance above the ground after $t$ seconds is $h = - 16 t ^ { 2 } + 640 t$ After how many seconds does it reach its maximum height?

• A) \(10 \mathrm {~s}\)
• B) \(30 \mathrm {~s}\)
• C) \(40 \mathrm {~s}\)
• D) \(20 \mathrm {~s}\)

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Definitions:

Compensable Factors

Elements of a job that are used to determine the appropriate compensation for that job, such as skill level, effort, responsibility, and working conditions.

Working Conditions

The environment in which employees operate, including aspects like safety, hours, and physical demands.

Responsibilities

Duties and tasks that an individual or entity is required or expected to carry out or fulfill in a specific role or function.

Competency-Based Pay

A compensation strategy where employees are paid based on their skills, knowledge, and performance levels rather than their job title or position.