Two airplanes are performing at an air show. Plane A travels along the path shown and, for the instant under consideration, has a speed of 265 mi/hr that is increasing at a rate of 4 mi/hr every second. Meanwhile, plane B executes a vertical loop at a constant speed of 150 mi/hr. Determine the velocity and acceleration which plane B appears to have to the pilot in plane A at the instant represented.

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A 45° 20° 500' B L--x Problem 2/234