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प्रश्न
A particle is projected at an angle of θ with respect to the horizontal direction. Match the following for the above motion.
(a) vx – decreases and increases
(b) vy – remains constant
(c) Acceleration – varies
(d) Position vector – remains downward
उत्तर
(a) vx = remains constant
(b) vy = decreases and increases
(c) a = remains downward
(d) r = varies
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