A car tavels from A to B at a speed of 40 km/ hour and returns back from B to A at a speed of 60 km/ hour. Find it's average speed of the entire trip.
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Answer:
50 km/hr
Explanation:
given :
distance 1 : 40 ; time 1: 1 hour
distance 2 : 60 ; time 2 : 1 hour
formula:
total distance/total time
=100/2
=50 km/hr
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