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Mithun raj
Questions (2)
Equilateral triangle ABC is inscribed in circle O, whose radius is 4. Altitude BD is extended until it intersects the circle at
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The distance between aerodromes A and B is 1000 Nautical Miles. At 09:00 an aircraft leaves for B with a speed of 300 Nautical
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Answers (1)
v = ds/dt = 64 - 32t at t = 0 , v = 64 when s = 48 48 = 64t - 16t^2 t^2 - 4t + 3 = 0 (t-1))(t -3) = 0 t = 1 or t = 3 at t = 1, it is still rising v = 64 - 32= 32 So 64k=32 K= 1/2
