Asked by Jean
Please help with my homework. Thank you
a submarine needs to reach a depth of 2000. the sub is at a current depth of 480 feet below the surface and descending at a rate of 7 ft per second. how long will it take the submarine to reach its necessary depth?
a submarine needs to reach a depth of 2000. the sub is at a current depth of 480 feet below the surface and descending at a rate of 7 ft per second. how long will it take the submarine to reach its necessary depth?
Answers
Answered by
mathhelper
distance remaining to descend = 2000-480 = 1520 ft
at a rate of 7 ft/s, it would take 1520/7 seconds
or
appr 217.1 sec
at a rate of 7 ft/s, it would take 1520/7 seconds
or
appr 217.1 sec
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