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frozen7
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6. Two particles, each of mass m, are connected by a light inextensible string of length 2l. Initially they lie on a smooth horizontal table at points A and B distant l apart. The particle at A is projected across the table with velocity u. Find the speed with which the second particle begins to move if the directions of u is.
(a) along AB,
(b) at an angle of 120 degree with AB,
(c) perpendicular to AB.
How to solve for the b and c part? What`s the usage of the 2 given lengths?
(a) along AB,
(b) at an angle of 120 degree with AB,
(c) perpendicular to AB.
How to solve for the b and c part? What`s the usage of the 2 given lengths?