a submarine left the surface of the water at the rate of -2 metre per second . at the rate, how long would it take the submarine to reach -60 meter level?
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Answer:
30 seconds. The height or distance covered would be = 60 meters.
Step-by-step explanation:
Rate of descending speed= -2 metres per second
Distance needed to descend= -60 metres
Time taken to descend 60 metres= -60 divided by -2= 30
Therefore required time is 30 seconds
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