# 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

Substitute for .

Step 2.4

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.