A truck covers a distance of 80 Km in 35 min .Find the speed of the truck in km/h and m/s .
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The truck travels 80 km in 35 min
We know that :
35 min = 35/60 hr
= 7/12 hr
Speed = distance / time
==> Speed ( in km/hr ) = 80 km / 7/12 hr
= ( 80 × `12 ) / 7
= 960 / 7
= 137.1428 approx.
Speed = distance / time
80 km = 80,000 m
==> Speed ( in m/s ) = 80,000 m / ( 35× 60 )s
= 80,000 m / 2100 s
= 38.09523 approx.
Hope it helps :)
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