What scalar quantity do you need to determine the rate of motion?

A vector quantity has a direction and a magnitude, while a scalar has only a magnitude. You can tell if a quantity is a vector by whether or not it has a direction associated with it.

Explanation:

Example: Speed is a scalar quantity, but velocity is a vector that specifies both a direction as well as a magnitude.

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.

d) center of the mid-ocean ridge

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