A jet plane comes in for adownward dive as shown in Fig.. The bottom part of the path is aquarter circle with a radius of curvature of 280 m. According to medicaltests, pilots will lose consciousness when they pull out of a dive at anupward acceleration greater than 5.5g. At what minimum speed (in m>sand in mph) will the pilot black out during this dive?

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A:

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Projectile Motion