A package containing emergency medical supplies is dropped by a Red Cross helicopter in a remote village in Africa. (a) Assume the helicopter is hovering in the air and the maximum allowed package landing speed without damaging the supplies is 100 m/s, how high above the ground can the helicopter be when it releases the package? (b) Assume the package is dropped from this maximum allowed height, how long does it take the package to land

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A: Given ,          Range R = 8.7 m          angle θ = 23°

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A: Here the option is (c)  i.e  Both hit the ground at the same time.

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Projectile Motion