A plane flying horizontally in a straight line over the ocean drops a monitoring

Question

A plane flying horizontally in a straight line over the ocean drops a monitoring buoy for a science experiment. Explain the validity or invalidity of each of the following statements. Assume air resistance is negligible. (a) The trajectory of the buoy between the drop point and where it lands in the ocean is a straight line. (b) At the instant that the buoy lands in the ocean, the plane is directly above it. (c) The vertical component of the buoy's velocity changes at a constant rate while it is falling.

Explanation / Answer

a) no since it has a horizontal velocity it will move in a parabola b)yes since they have the same horizontal velocity c) yes since will be falling with gravity, a = -9.81

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