Question

A submarine submerges at the rate of 5min. if it descends from 20 m above the sea level :What will be the total depth it submerged if it is to reach 250m below sea?​

Answer 1

Submarine submerges at the rate of =5m/min

descend starts from = 20m

submarine have to reach = -250m

Distance between above sea level to below sea level = 250 + 20 = 270m

time taken to reach 270 m = 270/5= 54 minutes

Explanation:

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