A car moves east at 15 m/s. Which is its velocity?

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Multiple Choice

A car moves east at 15 m/s. Which is its velocity?

Explanation:
Velocity is speed with a direction. Since the car is moving east at 15 m/s, its velocity is 15 m/s east. The number alone isn’t enough for velocity; direction is essential, so just saying 15 m/s misses the eastward motion. Saying 15 m/s west would be wrong because the direction is east. A value in km/h uses different units; 15 km/h is about 4.17 m/s, which doesn’t match the given speed. So the correct description is 15 m/s east.

Velocity is speed with a direction. Since the car is moving east at 15 m/s, its velocity is 15 m/s east. The number alone isn’t enough for velocity; direction is essential, so just saying 15 m/s misses the eastward motion. Saying 15 m/s west would be wrong because the direction is east. A value in km/h uses different units; 15 km/h is about 4.17 m/s, which doesn’t match the given speed. So the correct description is 15 m/s east.

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