Solve the Problem $$h = 117.6 - 4.9 t ^ { 2 }$$

question 295

Multiple Choice

Solve the problem.
-A rock falls from a tower that is 117.6 m high. As it is falling, its height is given by the formula $$h = 117.6 - 4.9 t ^ { 2 }$$ How many seconds will it take for the rock to hit the ground (h=0) ?

• A) 4.9 s
• B) 10.6 s
• C) 10.8 s
• D) 2,800 s

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Definitions:

Hypoglycemia

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Punishment

A method of enforcing discipline or correcting behavior by administering a penalty or consequence for a specific action or inaction.