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December 18, 2014

December 18, 2014

Posted by **Jia** on Tuesday, March 6, 2007 at 9:51pm.

Rate = km/min

The vertical coordinate (in km) from the radar station is

Y = 4 + 0.707*24 t

and the horizonal coordinate is

X = 0.707*24 t

where t is in minutes.

The distance between radar station and plane is

R = sqrt (X^2 + Y^2)

take the time derivative to get dR/dt and then plug in t = 2 for the answer.

can you give me some homework about that

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