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August 21, 2014

August 21, 2014

Posted by **Jordan** on Thursday, November 11, 2010 at 3:42pm.

- Cal -
**MathMate**, Thursday, November 11, 2010 at 4:20pmUse Pythagoras theorem.

x=horizontal distance from station

L(x)=oblique distance from station

L(x)=√(480²+x²)

dx/dt = horizontal speed = 480 mph

Find dL(x)/dx by differentiation.

Then

dL(x)/dt

= dL(x)/dx * dx/dt

- Cal -
**Anyomous**, Thursday, November 11, 2010 at 6:31pmthat makes no sense

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