Answer:
(a) The motion of
kite in the sky is three dimensional motion because the kite while flying may
be changing the direction as well as losing or gaining the height, i.e., the
motion is in space.
(b) The motion of
speeding car on a long straight highway is one dimensional motion, since the motion
is confined along a st. line.
(c) The motion of a
carrom coin rebounding the side of the board is two dimensional motion, since the
motion is confined in the plane of board.
(d) The motion of a
planet revolving around its star is two dimensional motion, because the motion is
confined in a fixed plane.
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