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FCT2013-14_CTY1315(Adv-Normal)_A-LOT_PHASE_II_PCM_I_CPT2-1_SET-A (1)
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P13
4.Two particles of mass 1 kg and 3 kg move towards each other under their mutual force of attraction. No other force acts on them. When the relative velocity of approach of the two particles is 2 m/s, their centre of mass has a velocity of 0.5 m/s. When the relative velocity of approach becomes 3 m/s, the velocity of centre of mass is
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P16
5.A uniform thin rod of mass M and length L is standing vertically along the Y-axis on a smooth horizontal surface with its lower end at the origin (0, 0). A slight disturbance at t = 0 causes the lower end to slip on smooth surface along the positive x-axis, and the rod starts falling. Then the shape of the path of the point on the rod located at a distance r from the lower end is
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P20
6.A man is standing on the cart of mass double the mass of the man. Mass of the man is m. Initially the cart is at rest on a smooth ground. Now the man jumps with velocity v horizontally towards right with respect to cart. Find the work done by the man during the process of jumping.
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7.A cork suspended from the bottom of a container filled with water with a string as shown in figure. If the container accelerate in a horizontal direction towards right, which one is correct?
(A) Inclination of string with vertical is towards left.
(B) Inclination of the string with vertical is towards right.
(C) Inclination of the string with vertical is towards left.
(D) Inclination of the string with vertical is towards right.
P25
This section contains 4 multiple choice questions. Each question has four choices (A), (B), (C) and (D) out of which ONE or MORE THAN ONE is/are correct.
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