Physics

Problem

During a trip a car moves

60\,\text{km}

1.2\,\text{h}

, rests for

30\,\text{min}

, and then travels another

40\,\text{km}

0.8\,\text{h}

. What is the average speed of the car for the whole trip? a)

50\,\text{km/h}

40\,\text{km/h}

33\,\text{km/h}

43\,\text{km/h}