a car travels A certain distance at a speed of 50 km per hour and returns at a speed of 40 km per hour calculate the average speed for the whole journey
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speed while going=50km/hr
speed while returning=40km/hr
average speed=50+40/2=90/2
=45km/hr(ans)
speed while returning=40km/hr
average speed=50+40/2=90/2
=45km/hr(ans)
Answered by
1
the average speed is 45kmph
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