Solve the Problem. -Two Recording Devices Are Set 3,200 Feet Apart, with the Apart

Multiple Choice

Solve the problem.
-Two recording devices are set 3,200 feet apart, with the device at point A to the west of the device at pointB. At a point on a line between the devices, 300 feet from point B, a small amount of explosive isdetonated. The recording devices record the time the sound reaches each one. How far directly north ofsite B should a second explosion be done so that the measured time difference recorded by the devices isthe same as that for the first detonation?

A) 669.23 ft
B) 4,886.38 ft
C) 1,571.62 ft
D) 1,479.14 ft