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WBJEE 2015 Physics Solved Paper

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Question : 21

Total: 40

Particle A moves along X-axis with a uniform velocity of magnitude 10 m/s. Particle B moves with uniform velocity 20m/s along a direction making an angle of 60° with the positive direction of X-axis as shown in the figure. The relativevelocity of B with respect to that of A is

10 m/s along X-axis
10√3 m/s along Y-axis (perpendicular to X-axis)
10√5 along the bisection of the velocities of A and B
30 m/s along negative X-axis

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