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Question

1. D. Your speedometer calculates your car's speed by counting the

number of revolutions that your tires make in a certain period of time. Each speedometer is calibrated for tires of a certain size, which is specified in the Owner's Manual. The correct size tires for your car, according to the owner's manual, have a diameter equal to 26 inches. However, you have temporarily installed tires on your car with a diameter of 27.5 inches
   1. Will this affect your speedometer's accuracy, precision or both? ____________________
   2. What will be the error percentages in your speedometer readings caused by using the wrong size tires? _______________________________________________________


1. E. How many significant figures are there in your answer to D? _________________________


1. F. In section 2.2 of the Interactive Textbook, there are three graphs. One for measurements that accurate but not precise, another for data that is precise but not accurate, and a third graph for data that is both accurate and precise. Draw a similar graph for data that is neither accurate nor precise. You can use MS-Paint, MS-Powerpoint or any appropriate computerized utility, or you can draw it manually and keep it with these notes.

Step-by-step answer

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Subject: Physics, Science

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