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Question 8 of 20 Select the best answer for the question 8. Two recording devices are...

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Question 8 of 20 Select the best answer for the question 8. Two recording devices are set 3,800 feet apart, with the device a
Question 8 of 20 Select the best answer for the question 8. Two recording devices are set 3,800 feet apart, with the device at point A to the west of the device at point B. At a point on a line between the devices, 400 feet from point B, a small amount of explosive is detonated. The recording devices record the time the sound reaches each one. How far directly north of site B should a second explosion be done so that the measured time difference recorded by the devices is the same as that for the first detonation? O A. 1.882.03 feet OB. 906.67 foot O C.5.415.26 feet OD. 1.857.42 feet

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The equation is 2 2२ ५, 31 2 62 c: 1900, a; 1500 १२ - । २२ (1500) 1१00-15000 ४२ ने प - २३६0000 1980००० 2 (1900) ५२ 2 2250000

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