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Q49
(NDA-II/2014)
Science & Technology › Basic Science (Physics, Chemistry, Biology) › Basic mechanics concepts
A particle is moving in a circular path of radius r at a constant speed v. Which one of the following graphs correctly represents its acceleration a?
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Correct:
B
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SIMILAR QUESTIONS
A spherical body moves with a uniform angular velocity x around a circular path of radius r. Which one of the following statements is correct?
The motion of a particle is given by a straight line in the graph given above drawn with displacement (x) and time (t). Which one among the following statements is correct?
The position vector of a particle is given by r = 2t²î + 3tĵ + 4k̂. Then the instantaneous velocity v and acceleration a respectively lie:
- (A) on the xy-plane and along the z-direction
- (B) on the xz-plane and along the x-direction
- (C) on the yz-plane and along the x-direction
- (D) on the xy-plane and along the x-direction