المسأله هي:
you drive abeat-up pickup truck a long a straight road for 8.4 Km at 70 Km \h at which point the truck runs out of gasoline and stop . over the next 30 min ,you walk another 2 Km farther along the road to gasoline station.
a) what is your over all displacement from the begning of your drive to your arrivel at the station
b)what is the time interval from the Beginning of your drive to your arrival at the station