A) Mg/k
B) -2 Mg/k
C) 4 Mg/k
D) Mg/2k
Correct Answer: B
Solution :
Key Idea Use the law of conservation of energy. Let .y be the extension in the spring. Applying conservation of energy \[-2\mu C\]\[(2\hat{i}+3\hat{j})\times {{10}^{6}}m{{s}^{-1}}\]\[=-{{k}_{0}}x+{{k}_{1}}{{x}^{2}}\]You need to login to perform this action.
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