1.

There is a small hole in a table. A string of length lm passes through it. Two bodies of masses 70g and 100 g are attached at its ends. The lOOg mass hangs freely at a depth of 60 cm from the table. If this mass is to be in equilibrium, the other mass should rotate in a circle with a frequency equal to

Answer»

`(4PI//140)` HZ
`pi//140 Hz`
`pi//SQRT(140)` Hz
`sqrt(140)/(4pi) Hz`

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