volume by cross-sections

Calculus
Tutor: None Selected Time limit: 1 Day

a square of of side length s lies in a plane perpendicular to a line L. one vertex of the square lies on l. as this square moves a distance h along l, the square turns one revolution about l to generate a corkscrew-like column with square cross-section. a)find the volume of the column b)the volume with two turns

May 15th, 2015

volume=area of the cross-section x height of the distance moved by the square along l

sxs=s^2....area of cross section

s^2xh=hs^2 

with two turns , the volume will be double=2hs^2

May 15th, 2015

it will be with two turns 2s^2h

May 15th, 2015

sorry...i see there is diffrence btween two turns n x2........................................................

May 15th, 2015

so what will be the answer for two turns? I'm confused

May 15th, 2015

seems before turning, the square has to move....so it will be just one turn(s^2h)x2=2s^2h

May 15th, 2015

sorry!!

=2(s^2h).....................................

May 15th, 2015

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May 15th, 2015
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