Asked by dinesh
kulangman is in level flight 6km abave the ground. his level flight take him directly over the PETRONAS tower,pt. how fast is he flying when the distance between him and the PT is exactly 10km and this distance is increasing at the rate of 40km/h.
Answers
Answered by
Steve
Draw a diagram.
d^2 = x^2+6^2
2d dd/dt = 2x dx/dt
When d=10, x=8
Now plug in your values.
d^2 = x^2+6^2
2d dd/dt = 2x dx/dt
When d=10, x=8
Now plug in your values.
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