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17-05-2021
Chemistry

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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?

Respuesta :

17-05-2021

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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