a submarine was 60 m below sea level. it started to descend at the rate of 2 metre per second. how long it would it take to reach -200 metre level
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A submarine left the surface of the water at the rate of -2 metres per second. At that rate, how long would it take the submarine to reach -60 metres level? Therefore required time is 30 seconds. Aakash EduTech Pvt.
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