The total distance covered by the kate in a 1-hour trip would be 16.5 kilometers.
An object's position changes if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a professor moves to the right in relation to a whiteboard. Displacement describes this shift in location.
As given in the problem Kate travels a distance of 9 km from her house to her mom's house at 18 km/hr and runs to the store afterward at 15 km/hr.
Distance covered in the first half hour = 9 km
Distance covered in the second half-hour = 15/2
=7.5 km
Total distance traveled by the kate = 9 + 7.5
=16.5 km
Thus, she drove a total of 16.5 kilometers altogether.
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