An unmanned aircraft weighing 1,000 lb at the initiation of recovery is recovered utilizing a round parachute with a dra
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An unmanned aircraft weighing 1,000 lb at the initiation of recovery is recovered utilizing a round parachute with a dra
An unmanned aircraft weighing 1,000 lb at the initiation ofrecovery is recovered utilizing a round parachute with a dragcoefficient of 1. Given a descent rate of 20 ft/s, what is thediameter of the parachute?