Did
you forget to halve the total distance to get the depth?Answer 3_5_10
Distance travelled = speed × time = 1500 m/s × 1.5 s = 2250 m
However the distance to the bottom is 1/2 of this figure as the time taken is the time to go out and come back.
Depth = 2250 ÷ 2 = 1125 m
Did
you forget to halve the total distance to get the depth?