A car is moving toward north at the speed of 40 km/hr for 30 minutes. Then it turns west and moves at the speed of 30 km/hr for 20 minutes. Finally, it moves to the south at the speed of 20 km/hr for 10 minutes. Determine the average speed of the car.
Answers
Answered by
0
Answer:
100
Explanation:
Answered by
5
Answer:
30km/hr
Explanation:
average speed can be obtained by adding all speeds then dividing it with number of speed as
40+30+20/3=90/3=30km/hr
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