A helicopter wants to drop supplies to isolated mountain climber on a rocky ridge 235m below. If the plane is traveling horizontally with a speed of 250km/h (69.4 m/s) a. How far in advance of the recipients (horizontal distance) must the goods be dropped? b. Suppose, instead, that the plane releases the supplies a horizontal distance of 425m in advance of the mountain climbers.  What vertical velocity (up or down) should the supplies be given so that they arrive precisely at the climber’s position?  c. With what speed do the supplies land in the latter?

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Projectile Motion