Question 505163
Do the units conversion:
( 1.5 m/sec ) x ( 1 km/1000 m ) x ( 60 sec / min ) x ( 60 min / hr ) =
{{{ ( 1.5*60*60 ) / 1000 }}} km/hr
{{{ 18000 / 1000 }}} km/hr
{{{ 18 }}} km/hr
Notice that the conversion has (sec/sec) x (min/min) x (m/m) and
you're left with km/hr