Answer:
6.2 s
Explanation:
The time is takes for the child to push the cart down an aisle with a length of 9.3m at the rate of 1.5 m/s would be the distance over the speed
t = s/v = 9.3 / 1.5 = 6.2 s
So it would take him 6.2 seconds to push this cart down the aisle