A plane is flying at a height of 35,000 ft. (feet) above sea level. At a particular point, it is directly above a submarine floating 3,500 ft. below sea level and a military drone flying at a height of 3,500 ft.
By how much should the submarine descend so that the military drone is vertically in the middle of the plane and the submarine?
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ANSWER:-21500
EXPLANATION:-So, It is clear that we should add 21500,so that military drone is vertically in the middle of the plane and submarine.
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Answer:
the submarine should descend by 24,500 feet
explanation:
the distance between plane and drone is
35000-3500=
31500
distance between drone and submarine =3500+3500=7000
so,the distance that the submarine should descend so that the drone is in middle the distance between drone and submarine must also be 31,500 so the distance that the submarine should descend is
24500
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