distance from a place x to place y is 45 metres and time taken by a person to cover the distance is 9 seconds.the speed of person of that person in I'm/hr is?
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Step-by-step explanation:
Distance = 45m
Time. = 9 seconds
Speed = Distance/time
=45/9
= 5
Speed in km/hr = 5*18/5
= 18 km/hr
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