QQuestionMathematics
QuestionMathematics
How many miles per hour is a 4.2 -second 40 -yard dash?
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Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Convert yards to miles
\frac{40 \text{ yards}}{1,760 \text{ yards/mile}} = 0.02273 \text{ miles}
- 40 yards needs to be converted to miles
Step 3:: Calculate speed using distance and time
\text{Speed} = \frac{0.02273 \text{ miles}}{4.2 \text{ seconds}}
- Speed = Distance ÷ Time
Step 4:: Convert to miles per hour
\text{Speed} = \frac{0.02273 \text{ miles}}{4.2 \text{ seconds}} \times \frac{3,600 \text{ seconds}}{1 \text{ hour}} = 19.5 \text{ miles per hour}
Final Answer
Note: The calculation involves converting the short distance and brief time interval to a standard miles per hour measurement by multiplying by the conversion factor of 3,600 seconds per hour.
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