AP EAMCET Engineering 2018 Apr 23 Shift 2 Paper

Section: Physics
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Question : 105 of 160
 
Marks: +1, -0
Two charged balls moving in the same direction with same velocity v are placed in an electric field. After some time, one ball moves with velocity
v
2
at an angle of 60° with the initial direction and the other ball moves at right angles to the initial direction with a velocity v′. Then the value of v′ is
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