Question

A submarine dives 650 feet every 5 minutes and 5,200 feet every 40 minutes.

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

feet per minute

 

300/2 = 6750/45 = 150 ft/minute

 

Since submarines dive quickly, and need to be able

to respond rapidly to sudden changes in conditions,

it is more reasonable to use feet per minute.  If we work

in feet per hour at this speed we would need to convert

the data back to feet per minute in order to ensure we

don't dive too deep.

 

Dn = Dn-1 + 150m

where Dn is depth, Dn-1 is previous depth,

and m is number of minutes diving.

 

1

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