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

question 1

Multiple Choice

Solve.
-A rocket is launched from the top of a cliff that is 48 feet high with an initial velocity of 120 feet per second. The height, $h$ , of the rocket after $t$ seconds is given by the equation $h = - 16 t ^ { 2 } + 120 t + 48$ . How long after the rocket is launched will it strike the ground? Round to the nearest tenth of a second, if necessary.

• A) \(9.1 \mathrm { sec }\)
• B) \(8.5 \mathrm { sec }\)
• C) \(7.9 \mathrm { sec }\)
• D) \(9.5 \mathrm { sec }\)

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Depression Phase

An economic downturn marked by a long period of decline in GDP, high unemployment, falling prices, and reduced levels of trade and investment.

Unemployment Rate

The percentage of workers who are jobless and actively seeking positions.

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Statistics about economic activities that allow analysis of economic performance and predictions of future performance.

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A type of unemployment that results from industrial reorganization, typically due to technological change, rather than fluctuations in supply or demand.