Wednesday

March 4, 2015

March 4, 2015

Posted by **seth** on Monday, November 28, 2011 at 9:19pm.

- calculus -
**Steve**, Tuesday, November 29, 2011 at 4:49amAssuming the whole cable is just hanging there, the work required to raise it up is

∫(175-x)(4dx)[0,175]

= 4(175x - .5x^2)[0,175]

= 700x - 2x^2[0,175]

= [700*175 - 2*175^2] - [0-0]

= 61250

**Answer this Question**

**Related Questions**

math - A cable weighing 2 lb/ft is 16 ft long. If a 20-lb weight is attached to ...

Calculus II - A cable that weighs 1.5 lb/ft is used to lift 700 lb of coal up a ...

Calculus - A cable hangs between two poles of equal height and 40 feet apart. At...

Repost-Physics 1 - Two railroad cars, each of mass 2.2 104 kg, are connected by ...

Physics 1 - Two railroad cars, each of mass 2.2 104 kg, are connected by a cable...

Physics - An electrical cable is atteched to the electrical pole 25m apart. The ...

PRE CALCULUS - V = x(16-2x)(19-2x) = 175 ft³ Ok, thanks. Now I'm trying to ...

physics - The concepts in this problem are similar to those in Multiple-Concept ...

Physics - The concepts in this problem are similar to those in Multiple-Concept ...

Physics - A rescue helicopter lifts a 65 kg person straight up by means of a ...