Solve the Problem $\mathrm { s } = 120 \mathrm { t } - 4 \mathrm { t } ^ { 2 }$

question 178

Multiple Choice

Solve the problem.
-A rock is thrown vertically upward from the surface of an airless planet. It reaches a height of $\mathrm { s } = 120 \mathrm { t } - 4 \mathrm { t } ^ { 2 }$ meters in $t$ seconds. How high does the rock go? How long does it take the rock to reach its highest point?

• A) 1800 m, 30 sec
• B) 3480 m, 30 sec
• C) 900 m, 15 sec
• D) 1785 m, 15 sec

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Definitions:

Economic Production

The process of creating goods and services through the combination of labor, land, and capital.

Superstructure

In Marxist theory, the cultural, ideological, and institutional structures built upon the economic base (infrastructure) of a society.

Capitalist Accumulation

The process by which capitalists generate wealth and expand their capital through reinvestment of profits.

Exchange Value

The worth of a good or service determined by the amount of other goods or services for which it can be traded or sold.