Which statement correctly compares speed to velocity? a. speed is how fast an object is moving over distance/time. velocity is only the direction that the object travels. b. speed is how fast an object is moving over distance/time. velocity is the rate at which an object changes position, , over displacement/time c. velocity and speed mean the same thing d. velocity is how fast an object is moving over distance/time. speed is the rate at which an object changes position, over displacement/time

B. Speed is how fast an object is moving: speed = distance/time.

Velocity is the rate at which an object changes position: velocity = displacement/time

Explanation:

Distance is a scalar quantity. It has only magnitude. So, distance/time is also scalar. If you are travelling at 100 km/h, that is your speed, because you could be going in any direction.

Displacement is a vector quantity. It has both magnitude and direction So, displacement/time is also a vector. If you are travelling east at 100 km/h, that is your velocity, because you are stating both your speed and the direction

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