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A bus covers a distance of 250km from delhi to Jaipur towards west in 5hrs. in the morning and returns to delhi in the evening covering the same distance

of 250km in the same time of 5hrs.
find average speed
average velocity of the bus for the whole journey


Avg speed = (speed1+speed2)/2

speed1= 250/5
          =  50 m/s
speed2= 250/5
          = 50m/s

avg speed=( 50+50)/2
               = 50 m/s

avg velocity =0 because the displacement is 0 as the bus came back to Delhi covering the same distance  
0 0 0
Distance =250 +250=500km
average speed=total distance\ total time
average speed=500\10=50k\h
because displacement is 0 as body comes back 

0 0 0
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