a car moves for half of its time at 80km/hand for rest half of the time at 40km/h.The total distance covered is 60km.what is the average speed of the car?
Answers
Answered by
1
average speed=2*x*y/x+y
where X and y are given speeds
x=80km/hr y=40km/hr
substitute values in formula
average speed= 2*80*40/80+40
6400/120
640/12
160/3
53.3 km/hr is answer
where X and y are given speeds
x=80km/hr y=40km/hr
substitute values in formula
average speed= 2*80*40/80+40
6400/120
640/12
160/3
53.3 km/hr is answer
garimellachaitpb0dwk:
thank u
Similar questions