Question

Type the correct answer in the box. The pressure inside a tire is measured as 28.0 . What is its pressure in ? 1 pound = 4.45 newtons 1 inch2 = 6.45 centimeters2 Express the answer to the correct number of significant figures. The pressure is .

Answer 1

The pressure is 19.3 N/cm².

p = (28.0 lb/1 in²) × (4.45 N/1 lb) × (1 in²/6.45 cm²) = 19.3 N/cm²