A plane is being tracked by radar, and data is taken every second in polar coordinates
θ and r
t (sec) 200 202 204 206 208 210
θ (rad) 0.75 0.72 0.70 0.68 0.67 0.66
r (m) 5120 5370 5560 5800 6030 6240
1. Calculate the velocity of the plane as a function of time, where the velocity V is given by:
V= √r^2 + r(θ)^2.
Please compute the derivatives using the most accurate finite-difference method and comment on the choices you made (why did you choose to use a certain method at any given point).

explanation:

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the answer is d

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a

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answer:

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Explanation:

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