a boy goes from a to b at the speed of 30 km/hr and returns back from b to a at the speed of 10 km /hr find his average valocity
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average velocity of the particle is zero as its displacement is zero
ishitagarg2003:
20km/hr
speed is20 km/ hr but velocity is 0
no its zero because displacement is zero and velocity is dispacement per unit time
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heya. here is your answer.
average speed = sum of speed /2
30+10/2= 20
= 20km/h is answer
and displacement will be zero so average velocity will be zero .
thanx hope it will help you
my pleasure to answer this
thanks
average speed = sum of speed /2
30+10/2= 20
= 20km/h is answer
and displacement will be zero so average velocity will be zero .
thanx hope it will help you
my pleasure to answer this
thanks
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