Physics, asked by duttabhi29, 1 year ago

a car travelled a distance of a speed 60km/h & return with a speed of 40km/h calculate average speed of whole jourbey

Answers

Answered by Anonymous
1
Total time required =100/60+100/40=5/3+5/2=10/6+15/6=25/6 hr
Total distance traveled = 200 km

Average speed= total distance traveled/total time required
  =>Average speed=200/(25/6)=48

Hence,average speed for the whole journey=48 km/hr


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