Solve the Problem. -A Rock Falls from a Tower That Is 117.6 M

question 102

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 - 4.9t2. 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:

Level 4 Evaluations

Pertains to the evaluation of training results based on business impact or changes in organizational performance due to a training program.

Utility Analysis

A quantitative method used to assess the effectiveness of a decision, system, or project, often in terms of its cost-effectiveness or efficiency.

Return on Investment

A financial metric used to evaluate the efficiency or profitability of an investment, calculated by dividing the profit from an investment by its cost.

Return on Investment

A metric that assesses the effectiveness or profit generated from an investment by dividing the investment's return by its expense.