A car travels up a hill at a constant speed of 40 km/h and returns down the hill at a
constant speed of 60 km/h. Calculate the average speed for the round trip.
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Assume distance traveled uphill is 40 km
Time take for up move is 60 min
Time for down hill at speed of 60 km/h will be 40 min
Do total time 100 min
Average speed will be 80/100 km/min
Which is 48 km/h
Time take for up move is 60 min
Time for down hill at speed of 60 km/h will be 40 min
Do total time 100 min
Average speed will be 80/100 km/min
Which is 48 km/h
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