Engineering Mathematics Give the family of orthogonal trajectories of the family

Question

Engineering Mathematics

Give the family of orthogonal trajectories of the family of parabolas with vertical axis and vertex at the point( -6, 2). (x - 6)2 + (y + 2)2 = C (x - 6)2 + 2(y + 2)2 = C 2x2 - 6y2 = C (x + 6)2 + 2(y - 2)2 = C (x + 6)2 + (y - 2)2 = C None of the above A 1000 gallon tank, initially full of water, develops a leak at the bottom. Given that 200 gallons of water leak out in the first 10 minutes, find the amount of water, A(t), left in the tank t minutes after the leak develops if the water drains off at a rate proportional to the amount of water present. A(t) = 1000(4 / 5) -1 / 10t A(t) = 1000 e 1 / 10t

Explanation / Answer

6.

correct answer is c

7.

correct answer is b

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