A bus travels first 100 kilometre with the speed of 50km/h and the next 80km with the speed of 40km/h Calculate the average speed of the bus
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Answered by
4
Answer:
<speed>= 45 km/h
Explanation:
Total distance=100+80=180 km
T1= 100/50=2s
T2=80/40=2s
<speed>=total distance/total time
=180/4
=45 km/h
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Answered by
1
formula 3v1×v2 divided by 2v1+v2
here v1 is the speed of the car
so, v1 = 50km/h
3×(50×40) divided by 40+2×(50)
answer is :
42.85 km/h
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