# Physics Examples

Step 1

Divide each term in by and simplify.

Divide each term in by .

Simplify the left side.

Cancel the common factor of .

Cancel the common factor.

Divide by .

Step 2

Substitute for .

Substitute for .

Substitute for .

Substitute for the constant .

Step 3

Simplify the numerator.

Multiply by .

Multiply by .

Factor out of .

Rewrite as .

Combine and .

Multiply by .

Multiply by .

Simplify the numerator.

Reduce the expression by cancelling the common factors.

Cancel .

Rewrite the expression.

Combine exponents.

Combine and .

Multiply by .

Factor out of .

Rewrite as .

Combine and .

Multiply by .

Multiply by .

Cancel .

Cancel .

Divide by .

Cancel .

Cancel .

Rewrite the expression.

Rewrite the expression.

Combine fractions.

Step 4

Round to significant figures.