a car travel along a straight line for first half time with speed 40 km/h and the second half time with speed 60km/h .find the average speed of the car.
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average speed = total distance / total time
= 40 + 60 / 1+1
=100 / 2
= 50 km/hr
= 40 + 60 / 1+1
=100 / 2
= 50 km/hr
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Answered by
1
average speed = total distance covered /total time required
(60+40)/2=50km/hr
(60+40)/2=50km/hr
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