A train training at a speed of 60km/hrs for 0.52hr at 30km/hr for the next 0.24hr and then at 70km/hr for next 0.71hr . What is the average speed of the train?
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Answer:
59.93 km/hr
Explanation:
average speed = total distance/total time
speed=distance/time
60=distance/0.52
distance=31.2
distance=7.2
distance=49.7
average speed=31.2+7.2+49.7/0.52+0.24+0.71
=59.93 km/hr
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