Question:
The narrow tube AC forms a quarter circle in a vertical
Last updated: 6/14/2023
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The narrow tube AC forms a quarter circle in a vertical plane A ball B has an area of cross section slightly smaller than that of the tube and can move without friction through it B is placed at A and displaced slightly During the motion from A to C it will a Always be in contact A with the lower surface of the tube b Always be in contact with the upper surface of the tube B do c Initially be in contact with the lower surface and later with the upper surface d Initially be in contact with the upper surface and later with the lower surface