QQuestionPhysics
QuestionPhysics
If a person weighs 140 lb on Earth, what is their mass in kilograms?
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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 pounds to kilograms
1 \text{ lb} = 0.453592 \text{ kg}
To convert pounds to kilograms, we'll use the standard conversion factor:
Step 3:: Calculate the mass
140 \text{ lb} \times 0.453592 \frac{\text{kg}}{\text{lb}} = 63.5029 \text{ kg}
Multiply the weight in pounds by the conversion factor:
Step 4:: Round to a reasonable precision
63.5 \text{ kg}
Typically, body weight is reported to the nearest whole number:
Final Answer
Key Insights: - Mass remains constant regardless of location - Conversion between pounds and kilograms is a simple multiplication - The conversion factor is precise to six decimal places - Rounding to one decimal place is appropriate for human body weight measurements
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