Answer to Question #129998 in Physics for andreta younan

Question

Calculate the average speed (in m/s) of a car that travels 50km in 30 minutes correct to 1 decimal place.

Answer 1

The average speed of a car

$$v_{\rm ave}=\frac{d}{t}=\frac{50\times 1000\:\rm m}{30\times 60\:\rm s}=27.8\:\rm m/s$$