A) \[\sqrt{\frac{2.7}{9.8}s}\]
B) \[\sqrt{\frac{5.4}{9.8}s}\]
C) \[\sqrt{\frac{5.4}{8.6}s}\]
D) \[\sqrt{\frac{5.4}{11}s}\]
Correct Answer: D
Solution :
Key idea: Net acceleration on the elevator car is more than acceleration due to gravity. Since elevator car is ascending upwards, from Newton?s second law, the net force is acting upwards, hence resultant acceleration isYou need to login to perform this action.
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