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A particle is projected in a smooth fixed square tube from point A. The tube is in vertical plane and D and B are at same horizontal level as shown in figure. Then : (Assume velocity of particle changes smoothly at corners) A. velocity at A is equal to velocity at CB. velocity at B is equal to velocity at DC. velocity at A is equal to negative of velocity at CD. speed ast B is equal to speed at D |
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Answer» Correct Answer - D A particle is ……….. At B and D magnitude of velocity are same but direactions are different. |
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