The time rate of change of displacement is called velocity. As distance is to displacement, so speed is to velocity: the crucial difference between the two is that speed is a scalar and velocity is a vector quantity. In everyday conversation, we usually say speed when we talk about how fast something is moving. However, in physics, it is often important to determine the direction of this motion, so you’ll find velocity come up in physics problems far more frequently than speed.
If a body covers a displacement of 50 meters in 10 seconds. What is the velocity of the object?

Explanation

 \(velocity=\frac{displacement}{time}=\frac{50}{10}=5\) m/s

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