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nexis Group TitleBest ResponseYou've already chosen the best response.0
Having trouble setting this up correctly.
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
dw:1352759337213:dw
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
1+x^2=r^2 differentiate with respect to time, solve for dx/dt and plug in the givens compare the value you get for dx/dt with the velocity of the plane to find the car's speed...
 2 years ago

nexis Group TitleBest ResponseYou've already chosen the best response.0
@Algebraic! thank you for this approach. I tried solving this problem the same way, but was stuck because i thought "r" was unknown. I'm guessing you would suggest solving for r with pythagoras but can we really just assume that height=1 here?
 2 years ago

Algebraic! Group TitleBest ResponseYou've already chosen the best response.1
yes and r= sqrt(1 +1.5^2)
 2 years ago
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