You are asked to estimate the water flow rate in a pipe of radius 2 m at a remote area location with a harsh environment. You already know that velocity varies along the radial location, but you do not know how it varies. The flow rate Q is given by Q = | 2rVd To save money, you are allowed to put only two velocity probes (these probes send the data to the central office in New York, NY via satellite) in the pipe. Radial location, r is measured from the center of the pipe, that is r = 0 is the center of the pipe and r = 2m is the pipe radius. The radial locations you would suggest for the two velocity probes for the most accurate calculation of the flow rate are

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