a car travels 30km at a uniform speed of 40km/h and the next 30 km at a uniform speed of 40 km/hr and the next 30 pm at a uniform speed of 20 km/hr Find The average speed?
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total time=30/40+30/40+30/20 hr=3hr
total distance=30×3=90
av speed= Total distance/Total time taken
av speed= 90/3=30km/hr
Hope u got it. If not commment! I will help.
total distance=30×3=90
av speed= Total distance/Total time taken
av speed= 90/3=30km/hr
Hope u got it. If not commment! I will help.
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