Solve the Problem $t$ Seconds Is $h = - 15 t ^ { 2 } + 570 t$

question 374

Multiple Choice

Solve the problem.
-A projectile is thrown upward so that its distance above the ground after $t$ seconds is $h = - 15 t ^ { 2 } + 570 t$ . After how many seconds does it reach its maximum height?

• A) \(9 \mathrm {~s}\)
• B) \(19 \mathrm {~s}\)
• C) \(38 \mathrm {~s}\)
• D) \(28.5 \mathrm {~s}\)

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Definitions:

Experimental Groups

In scientific research, groups of subjects that receive the treatment or intervention being tested, allowing researchers to assess its effects.

Experimental Method

A systematic and scientific approach to research in which the researcher manipulates one variable to measure its effect on another variable.

Cause And Effect

A relationship where one event (the cause) makes another event happen (the effect).

Conclusions

Statements or judgments that are formed after considering the relevant facts or evidence.