a car travel between two cities in there parts of equal distance with speed 30 km/hr, 45 km/hr and 90 km/hr respectively what is the average speed of the car
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Heya
Let the distance travelled with sach speed be 1hr
On the whole, the car travelled for 3hrs.
The average speed = Total distance/total time
=(30+45+90)/3
= 165/3
= 55km/hr
Let the distance travelled with sach speed be 1hr
On the whole, the car travelled for 3hrs.
The average speed = Total distance/total time
=(30+45+90)/3
= 165/3
= 55km/hr
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