Give a boy a trade and he is independent. work is wholesome and whatever these lads possess, be it for poetry or ploughing, it shall be cultivated and made useful to them, if possible. (This was the philosophy of Mr. Bhaer in Little Men by Louisa May Alcott) Explain this line.
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Explanation:
Two balls of charges q1 and q2, initially have exactly same velocity. Both the balls are subjected to same uniform electric field for same time. As a result , the velocity of the first ball is reduced to half of its initial value and its direction changes by 60° .The direction of the velocity of second ball is found to change by 90.
The electric field and initial velocity of the charged particle are inclined at angle
1)60. (2)30
3) 90. (4)150
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