Thursday

November 27, 2014

November 27, 2014

Posted by **matrix school 2** on Thursday, August 6, 2009 at 3:54pm.

(2) Assume that a force of (3x^2-x+1)N is pulling an object at each point of the x-axis. find the work done in moving the object from x=1 to x=4

- integral -
**bobpursley**, Thursday, August 6, 2009 at 4:00pm1) THE differential area dA will be y dx or x^2 dx, integrated from x=0 to 5. Now integrate that around the x axis, by rotation. Area=INT Area dTheta where theta runs from 0 to 2PI

2) Work= INT force dx

= INT(3x^2-x+1)dx from x=1 to 4

**Answer this Question**

**Related Questions**

integral Calculus - The region in the x-y plane bounded by the curve y=x^2, the ...

integral Calculus - The region in the x-y plane bounded by the curve y=x^2, the ...

integral - the region in the x-y plane bounded by the y=x^2, the line x=0 and ...

MATH - Find the volumes of the solids generated by revolving the region in the ...

Calculus - Find the volume of the solid generated by revolving the following ...

Math - Find the volume of the solid generated by revolving the following region ...

Calculus - Determine the volume of the solid abtained when the region bounded by...

calculus - Find the volume of the solid generated by revolving the region about ...

calculus - Find the volume of the solid generated by revolving the region about ...

Calculus - Find the volume of the solid generated by revolving the region ...