Question

A submarine submerges at the speed of 10 metre per minute. How long will it take to reach 335 metre below sea level if the submarine was originally at 5 metre below sea level?
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Answer 1

Answer:

33 minutes

Step-by-step explanation:

Length of submarine already below water = 5 m

Total depth of water it has to go = 335 m

So, depth of still left = (335-5) m

= 330 m

Rate of the submarine going in the water = 10m/minute

So, Time needed to go for the rest depth of water

= (330/10) minutes

= 33 minutes

Hope it helps......

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