A car travels at a speed of
40km/h for two hours and then at 60km/h for three hours . What is the average speed of the car during the entire journey.
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avg speed =2xy/x+y
where x=40,y=60
avg. speed = 2×40×60/40+60
2×40×60/100
= 2×4×6/1
= 48km/hr is answer
where x=40,y=60
avg. speed = 2×40×60/40+60
2×40×60/100
= 2×4×6/1
= 48km/hr is answer
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