A tire inflated to a pressure of 44.0 psi supports 820 pounds of a vehicle's weight. How much of the tire's tread is in contact with the ground? Report your answer in square inches.
What will be an ideal response?
Question 2
The original 21-tooth speedometer gear in a vehicle must be replaced due to speedometer error. The original 2.56:1 differential was replaced with a 3:27:1 differential, and the 27.3 in. tires are replaced with 31.0-in. tires. How many teeth should there be on the replacement gear?
What will be an ideal response?
Automated blood pressure monitor
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