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# Vectors and distance: How far in advance must rescue aircraft drop supplies

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"A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge H = 227 m below. If the plane is traveling horizontally with a speed of 223 km/hr (61.9 m/s), how far in advance of the recipients (horizontal distance) must the goods be dropped?"

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With good explanations and formulas the problem is solved.

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Vertical distance to be travelled = Sv= 227 m.

Sv = (1/2) * g * T *T since the initial velocity vertically ...

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