Question

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there are different ways to think about the meaning of speed. which description correctly completes this sentence? speed is ______. the number of hours it takes to travel a certain distance the rate at which distance changes per unit of time distance traveled times time traveled time traveled divided by distance traveled

Explanation:

Speed is defined as the measure of how quickly an object covers distance, which is the rate of distance change over a unit of time. The other options are incorrect: the first describes travel time, the second is an incorrect formula (distance × time is not speed), and the fourth is the inverse of speed (which is pace).

Answer:

B. the rate at which distance changes per unit of time