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When an empty lift is moving down with a...

When an empty lift is moving down with an acceleration of `g/4 ms^(-2)`, the tension in the cable is 9000N. When the lift is moving up with an acceleration of `g/3 ms^(-2)`, the tension in the cable is,

A

16,000 N

B

18,000 N

C

12,000 N

D

15,000 N

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The correct Answer is:
A
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