Question #129120

A train is travelling23m/s its speed expressed in km is

Expert's answer

"60 sec = 1 min"

"60 min =1 hr"

"1 km = 1000 m"

"\\frac{23m}{s}*\\frac{60s}{1min}*\\frac{1km}{1000m}*\\frac{60min}{1hr}\n=82.8 km\/hr"

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