Solve
-A Rocket Is Launched from the Top of a Cliff

question 187

Multiple Choice

Solve.
-A rocket is launched from the top of a cliff that is 80 feet high with an initial velocity of 80 feet per second. The height, $\mathrm { h } ( \mathrm { t } )$ , of the rocket after $\mathrm { t }$ seconds is given by the equation $\mathrm { h } ( \mathrm { t } ) = - 16 \mathrm { t } ^ { 2 } + 80 \mathrm { t } + 80$ . How long after the rocket is launched will it strike the ground? Round to the nearest tenth of a second, if necessary.

• A) \(6.5 \mathrm { sec }\)
• B) \(6.2 \mathrm { sec }\)
• C) \(7.2 \mathrm { sec }\)
• D) \(5.9 \mathrm { sec }\)

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Groups of people who work together in structured and coordinated ways to achieve a set of goals or objectives.

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Actions or deeds carried out by a single person that can influence or impact their environment or society.

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The part of an individual's time that is spent interacting with others, contributing to their sense of belonging and community.