A school bus takes 45 minutes to cover a distance of 27 km. Calculate its speed in km/h and m/s.
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45 minutes = 45 / 60 h = 3/ 4 h . Distance covered = 18 km .Time taken = 3/4h
- > speed = ( 18 of 3 / 4 ) km / h = ( 18 x 4 / 3 ) km / h = 24 km / h .
LET US EXPRESS THE SPEED IN M / S .
- > Distance = 18 x 1000 m . Time = 45 x 60 s .
- > Speed = 18 x 1000 m / 45 x 60 s = 6 . 67 m / s .
Explanation:
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