Question

object covers 200m in 10 sec what is the speed in m/s and also in km/hr

Answer 1

200/10 mps in kmph

It means that it covers 20m/s

so, 20*18= 360/5= 72 km per hour

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Answer 2

Distance = 200m

Time = 10 seconds

Speed = Distance / Time

Speed = 200/10

Speed = 20 m/s

20m/s in km/h will be :

20 / 1000 × 60 × 60

20 / 3600000

2/360000

1/180000

Speed in km/h is 1.8 × 10^-5 km/h