Answer to Question #252538 in Physics for elle

Question

There are a lot of traffic rules that drivers should follow to avoid road accidents such as observing the speed limit in every area. A car's speed can stay the same as it rounds a corner and changes direction.Given this information is speed is a scalar or vector quantity? explain.

Answer 1

The speed is a scalar quantity because, although the direction of motion changes, the speed remains the same. Thus, speed only has a magnitude, no direction.