if an object covers a distance of 400 cm in 2 seconds what is its speed in km/he.
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distance(s) = 400cm=400/1000×100=400/100000=.00400km
time(t)=2s.=2/60×60=2/3600=.0005555556
speed=distance/time
= .00400/.0005555556
=7.199999424km/hr
hope it helps u
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time(t)=2s.=2/60×60=2/3600=.0005555556
speed=distance/time
= .00400/.0005555556
=7.199999424km/hr
hope it helps u
plz mark it as a brainliest
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