A student walks 20.0 m [S] in 10.0 s. Then she walks another 10.0 m [S] in 8.50 s. What is the average velocity of the student?

Question

A student walks 20.0 m [S] in 10.0 s. Then she walks another 10.0 m [S] in 8.50 s.
What is the average velocity of the student?

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Thu Hương 5 months 2021-08-11T00:19:42+00:00 1 Answers 3 views 0

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  1. Verity
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    2021-08-11T00:21:20+00:00
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    1.62 m/s

    Velocity is the rate of change in position over the change in time.

    The total change in position is 20 + 10 = 30m, and the total change in time is 10.0 + 8.50 = 18.5s.

    Thus, 30.0m/18.5s = 1.62 m/s

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