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MHT CET202013 Oct 2020Evening ShiftPhysicsOscillationsActual

A string of length ' ' fixed at one end carries a mass 'm' at the other end. The string makes 3 revolutions / second around the vertical axis through the fixed end as shown in figure. The tension 'T' in the string is

Options

  1. A36 ~m
  2. B3 ~m
  3. C9 ~m
  4. D18 ~m

Correct answer

A. 36 ~m

Step-by-step solution

= 3 p s=6 rad / 8 .T=m ² =36 m .

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