A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.

A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves ar

1.	A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.
A.	3750
B.	7500
C.	1875
D.	5000
Answer» B. 7500