A 7-m-diameter hot air balloon that has a total mass of 350 kg is standing still in air
Chapter 11, Problem 11-43(choose chapter or problem)
A 7-m-diameter hot air balloon that has a total mass of 350 kg is standing still in air on a windless day. The balloon is suddenly subjected to 40 km/h winds. Determine the initial acceleration of the balloon in the horizontal direction.
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