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# What kind of speed is registered by an automobile

ISBN: 9780321909107 29

## Solution for problem 3RQ Chapter 3

Conceptual Physics | 12th Edition

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Problem 3RQ

What kind of speed is registered by an automobile speedometer—average speed or instantaneous speed?

Step-by-Step Solution:

Solution Step 1 of 2 The reading shown on the automobile speedometer is instantaneous speed. The instantaneous speed is calculated for the given instant of time or for infinitesimal time period (very small). Whereas the average speed is the speed calculated for the appreciable duration of time. Whereas both are calculated using the basic relation of speed, that is the ratio of distance by time.

Step 2 of 2

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What kind of speed is registered by an automobile

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