A bus travels 54 km in 90 min. The speed of the bus is

6 m/s

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10 m/s

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5.4 m/s

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3.6 m/s

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Solution

The correct option is B 10 m/s
$W e k n o w t h a t, 1 k m = 1000 m a n d 1 m i n = 60 s T o f i n d s p e e d : S p e e d = \frac{d i s tan c e}{t i m e} = \frac{54 \times 1000}{90 \times 60} = 10 m / s$

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A bus travels 54 km in 90 min. The speed of the bus is

The correct option is B 10 m/sWe know that, 1 km = 1000 m and 1 min = 60 sTo find speed:Speed = distancetime = 54×100090×60=10 m/s

The correct option is B 10 m/s
$W e k n o w t h a t, 1 k m = 1000 m a n d 1 m i n = 60 s T o f i n d s p e e d : S p e e d = \frac{d i s tan c e}{t i m e} = \frac{54 \times 1000}{90 \times 60} = 10 m / s$