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How can a car be changing velocity yet not changing speed?

Speed is a scalar, which means the car's speed will be a value that has a magnitude (number) only. Velocity is a vector, which means that the car's velocity will be a value that has both magnitude and direction. In this case, the car is changing its direction of travel but the magnitude of the speed stays the same.

Jade L. GCSE Physics tutor, GCSE Chemistry tutor, A Level Physics tutor

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