Answer :

Here we have to convert m/s2 into km/h2


1 km = 1000 m


1 m = 10-3 km


1 hour = 60 min = 60 × 60 sec
or 1 sec = h


Substituting the above values


3 m s-2 = 3 × 10-3 km × h-2


= 38880 km-h-2h

= 3.88 × 104 km h-2

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