At What Temperature Will the Kelvin Scale Read Double the Fahrenheit Reading?
At what temperature will the Kelvin scale read double the Fahrenheit reading? — In this problem, we find the temperature value where K = 2 × F (Kelvin reading is double the Fahrenheit reading) by using standard temperature-conversion formulas.
Temperature Conversion Formula
To convert a Fahrenheit temperature F (°F) to Kelvin K (K), use:
K = (F − 32) × (5/9) + 273.15 :contentReference[oaicite:0]{index=0}
Setting Up the Equation
We require that Kelvin reading is twice the Fahrenheit reading:
(F − 32) × (5/9) + 273.15 = 2 F
Solving for F
Rearranging and solving gives approximately:
F ≈ 176.8 °F → so at that temperature, Fahrenheit reading ≈ 176.8 °F, and Kelvin reading K ≈ 353.6 K (≈ 2 × 176.8).
Answer
Therefore, when the Fahrenheit temperature is about 176.8 °F, the Kelvin scale will read roughly double that — about 353.6 K.
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Kelvin twice Fahrenheit temperature
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