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January 26, 2015

January 26, 2015

Posted by **Jake** on Tuesday, March 15, 2011 at 2:28pm.

- Calculus -
**bobpursley**, Tuesday, March 15, 2011 at 2:55pmdraw the figure, a right triangle. figure out distances after 20seconds.

let horizontal distance be x, height be h, and d the slant distance.

d^2=h^2+x^2

2d dd/dt= 2h dh/dt+2x dx/dt

solve for dd/dt, you know all else.

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