A car covers first 50km at a uniform velocity of 45km/hr and the next 50km at 90km/hr .find the average velocity of the car?
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Answered by
7
Explanation:
total distance=50+50=100kms
please give me time taken to travel the distance...
because average speed=total distance/total time...
Answered by
2
avg.velocity = (d1+d2)/(t1+t2)
t1=d1/v1=50/45=10/9
t2=d2/v2=50/90=5/9
=>(50+50)/(15/9)
=>9(100)/15
=>60km/hr
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