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OpenStudy (anonymous):
Find the work done by the force field F(xyz)=7xi+7yj+5k on a particle that moves along the helix r(t)=6cos(t)i+6sin(t)j+1tk, when t goes from 0 to 2 .
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OpenStudy (anonymous):
The force F is the |<7x,7y,5>|
OpenStudy (anonymous):
The distance is r(0) to r(2)
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