Question

2  A bus travels a distance of 120 km with a speed of 40 km/h and returns with a speed of 30 km/h. Calculate the average speed for the entire journey.​

Answer 1

Answer:

34.28 km/h

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Here Is Your Explanation:

Distance traveled total = 120                                      

Time no.1 = 40        

= 120/40

= 3m/s

Time no.2 = 30

 120/30

=4m/s

TOTAL TIME = 3hr + 4hr

                        = 7hr

Total distance = 120 + 120 = 240km

Avg Speed = Total distance taken

                          total time taken

=240/7

=34.28 km/h

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