Change In Temperature

Classical Mechanics Level 1

What is the change in temperature on Fahrenheit scale, If iron piece is heated from 30 (degree Celsius) to 90 (degree Celsius).


The answer is 108.

Raj Rajput by RAJ RAJPUT , 25, India

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2 solutions

Raj Rajput
Jan 9, 2016

5 Helpful 0 Interesting 0 Brilliant 0 Confused

Beautiful handwritting

Evan Huynh - 5 years, 5 months ago

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Thanks @Evan Huynh :)

RAJ RAJPUT - 5 years, 5 months ago
Evan Huynh
Jan 10, 2016

Convert everything directly from degree Celsius to degree Fahrenheit

Conversion factor: x o C = ( 9 5 x + 32 ) o F x^{o}C = (\frac{9}{5}x + 32)^{o}F

3 0 o C = ( 30 × 1.8 + 32 ) o F = 8 6 o F 30^{o}C = (30 \times 1.8 + 32)^{o}F = 86^{o}F

9 0 o C = ( 90 × 1.8 + 32 ) o F = 19 4 o F 90^{o}C = (90 \times 1.8 + 32)^{o}F = 194^{o}F

Change in Fahrenheit scale: 19 4 o F − 8 6 o F = 10 8 o F 194^{o}F - 86^{o}F = \boxed{108^{o} F}

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