Question

The tires of correct size according to the manual are 26 inches in diameter. However, you...

The tires of correct size according to the manual are 26 inches in diameter. However, you have temporarily installed tires on the car that are 27.5 inches in diameter.

What will be the error percentage in your speedometer readings caused by using these tires?  

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Answer #1

percentage error

= ( 27.5 - 26) / 26* 100

= 5.769 %

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Comment before rate in case any doubt, will reply for sure.. goodluck

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