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A body is projected horizontally from a ...

A body is projected horizontally from a point above the ground. The motion of the body is described by the equations `x= 2t` and `y=5t^2`, where x and y are the horizontal and vertical displacements (in m) respectively at time t. The trajectory of the body is

A

a straight line

B

circle

C

an ellipse

D

parabola

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