A person walks on a straight road from his home to a market 3 km away with a speed of 5 km/h. Finding market closed, he instantaneously turns and walks back with a speed of 6 km/h. The magnitude ofaverage velocity is

zero

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2.73 km/h

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5.45 km/h

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5.5 km/h

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Solution

The correct option is A zero
Average velocity is total displacement upon total time. But his initial and final position are same, so his displacement is zero.
Hence his average velocity is zero.

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A person walks on a straight road from his home to a market 3 km away with a speed of 5 km/h. Finding market closed, he instantaneously turns and walks back with a speed of 6 km/h. The magnitude ofaverage velocity is

The correct option is A zeroAverage velocity is total displacement upon total time. But his initial and final position are same, so his displacement is zero.Hence his average velocity is zero.

The correct option is A zero
Average velocity is total displacement upon total time. But his initial and final position are same, so his displacement is zero.
Hence his average velocity is zero.