Question
Asked Feb 3, 2020
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6. A rescue cable attached to a helicopter weighs 2 lb/ft. A 180 lb man grabs the end of the rope and
is pulled from the surface of the ocean into the helicopter. How much work is done lifting the man if
the helicopter is 30 ft above the ocean surface?
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6. A rescue cable attached to a helicopter weighs 2 lb/ft. A 180 lb man grabs the end of the rope and is pulled from the surface of the ocean into the helicopter. How much work is done lifting the man if the helicopter is 30 ft above the ocean surface?

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Expert Answer

Step 1

According to the given information:

Let weight for length x is 2x

So, the total force is:

Calculus homework question answer, step 1, image 1
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Step 2

The work can be calculated...

Calculus homework question answer, step 2, image 1
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