A 650-ft equal-tangent sag vertical cuve has its PVC at station 60+50 and elevation 950 ft. The initial grade is -4.5% and the final grade is +3%. Determine elevation of the lowest point of the curve. A. 803.55 B. 941.23 C. 783.71 D. 835.16

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A: Find the exact length

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A: This question can be solved using the concept of trigonometry.

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A: 1 foot  =  12 inches     1 inch  =  112 foot 3 inches  = 312 feet                 =  14 feet

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A: solution.

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Q: Q2- Sketch the curve:

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.