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16.

Which of the following graphs represents a falling object  dropped from the top of a building?

 

     
A object dropped from the top of a building is constantly accelerated by gravity. 

The graph of acceleration vs time should be a horizontal line.

The graph of displacement vs time should be a curved line because d = 1/2 gt2

The graph of kinetic energy vs time should be a curved line because KE = 1/2 mv2 

The graph of velocity vs time should be a straight line because v = at.

The Correct Answer is B.