Speed describes how fast an object is moving. It tells you how much distance is covered per unit of time. Speed is a scalar quantity — it has magnitude but no direction (unlike velocity).
A car travels 150 km in 2 hours. What is its speed?
d = 150 km t = 2 hs = d / ts = 150 / 2The car's average speed is 75 kilometres per hour.
Enter distance and time to calculate speed