A) \[\sqrt{\frac{2}{5}T}\]
B) \[\sqrt{\frac{5}{2}T}\]
C) \[\frac{\sqrt{5}\,T}{2}\]
D) \[\frac{2T}{\sqrt{5}}\]
Correct Answer: D
Solution :
Key Idea: when the lift moves upwards effective acceleration increases. When the lift is moving upwards, then from Newton?s second law of motion net force on him isYou need to login to perform this action.
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