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JEE Main 10 Jan 2019 Shift 2 Solved Paper

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Question : 25

Total: 90

A cylindrical plastic bottle of negligible mass is filled with 310 ml of water and left floating in a pond with still water. If pressed downward slightly and released, it starts performing simple harmonic motion at angular frequency ω. If the radius ofthe bottle is 2.5 cm then ω close to : (density of water = 103 kg / m3)

5.00 rad s–1
1.25 rad s–1
3.75 rad s–1
2.50 rad s–1
None of the above

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