# Physics Examples

Step 1

Step 1.1

Divide each term in by and simplify.

Step 1.1.1

Divide each term in by .

Step 1.1.2

Simplify the left side.

Step 1.1.2.1

Cancel the common factor of .

Step 1.1.2.1.1

Cancel the common factor.

Step 1.1.2.1.2

Divide by .

Step 2

Step 2.1

Substitute for .

Step 2.2

Substitute for .

Step 2.3

Convert to Kelvin.

Step 2.3.1

Convert to Celsius.

Step 2.3.1.1

This is the conversion formula for Fahrenheit to Celsius, where is temperature in Fahrenheit and is temperature in Celsius.

Step 2.3.1.2

Substitute the Fahrenheit temperature into the formula.

Step 2.3.1.3

Divide by .

Step 2.3.1.4

Subtract from .

Step 2.3.1.5

Multiply by .

Step 2.3.2

To convert Celsius to Kelvin, add .

Step 2.3.3

Add and .

Step 2.4

Substitute for .

Step 2.5

Substitute for the constant .

Step 3

Step 3.1

Simplify the numerator.

Step 3.1.1

Multiply by .

Step 3.1.2

Multiply by .

Step 3.1.3

Factor out of .

Step 3.1.4

Rewrite as .

Step 3.1.5

Combine and .

Step 3.1.6

Multiply by .

Step 3.1.7

Multiply by .

Step 3.2

Simplify the numerator.

Step 3.2.1

Reduce the expression by cancelling the common factors.

Step 3.2.1.1

Cancel .

Step 3.2.1.2

Rewrite the expression.

Step 3.2.2

Combine exponents.

Step 3.2.2.1

Combine and .

Step 3.2.2.2

Multiply by .

Step 3.2.2.3

Factor out of .

Step 3.2.2.4

Rewrite as .

Step 3.2.2.5

Combine and .

Step 3.2.2.6

Multiply by .

Step 3.2.2.7

Multiply by .

Step 3.2.3

Cancel .

Step 3.2.3.1

Cancel .

Step 3.2.3.2

Divide by .

Step 3.3

Cancel .

Step 3.3.1

Cancel .

Step 3.3.2

Rewrite the expression.

Step 3.4

Rewrite the expression.

Step 3.5

Combine fractions.

Step 4

Round to significant figures.