## What is Average Velocity?

It is the total distance travelled in a particular diection divided by total time taken

We can say that

Average Velocity = Total Displacement/Total Time Taken

AVERAGE SPEED FORMULA

Average Speed = Total Distance/Total Time Taken

AVERAGE VELOCITY FORMULA

Average Velocity =Total Displacement/Total Time Taken

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Summary
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Average Velocity may or may not be equal to Average Speed

## Questions

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Q 2 Page 102 -
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Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?

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NCERT Question 2 -
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Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 30 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What are Joseph’s average speeds and velocities in jogging (a) from A to B and (b) from A to C?

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Example 8.3 -
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Usha swims in a 90 m long pool. She covers 180 m in one minute by swimming from one end to the other and back along the same straight path. Find the average speed and average Velocity of Usha.