Question

Asked Jan 23, 2020

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A girl on a bicycle takes 12.2 s to ride half way around a circular track of radius 20.0 m (see the figure below).

(a)What is the girl's average speed (in m/s)?

(b)

What is the magnitude of her average velocity (in m/s)?

Step 1

(a) Write the expression for average speed

Step 2

Substitute the values

Step 3

(b) Write the expression for magn...

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