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Physics, 30.03.2020 22:06 jetblackcap

Classify each of the following as descriptive of an object's speed or velocity.
When an object travels once around a circle at a constant rate of 20 m/s, the
Choose
is zero.
When an object travels once around a circle at a constant rate of 20 m/s, the
Choose
is 20 m/s.
When an object travels 8 meters north in 4 seconds and then 4 meters south in 2 seconds, the
Choose
is 2 m/s.
When an object travels 8 meters north in 4 seconds and then 4 meters south in 2 seconds, the
Choose
is 0.67 m/s.

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Classify each of the following as descriptive of an object's speed or velocity.
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