Speed of a car 0001

, por F_y_Q

A car is moving in a straight path at 3 600 meters during 90 seconds. Determine the speed of the car, expressed in km/h.


SOLUCIÓN:

We are going to use velocity’s equation and two conversion factors:

\frac{3\ 600\ m}{90\ s}\cdot \frac{1\ km}{1\ 000\ m}\cdot \frac{3\ 600\ s}{1\ h} = \bf 144\frac{km}{h}