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There is a system of infinite pulleys an...

There is a system of infinite pulleys and springs.Spring constants are in GP as k 2k 4k 8k.........oo as shown in the figure.All the pulleys are massless frictionless and strings are massless and inextensible.Then time period of small oscillations of the block will be (Mass of block is m ). qquad (in ) (i) 2

Answer

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Knowledge Check

  • In the shown mass pulley system, pulleys and string are massless. The one end of the string is pulled by the force F = mg. The acceleration of the block will be :

    A
    `g//2`
    B
    0
    C
    g
    D
    3g

  • In the system shown in fig the pulley is frictionless and the string massless if m_(1)=m_(2) thrust on the pulley will be:

    A
    `"less than" (m_(1)+m_(2))g`
    B
    `"greater than" (m_(1)+m_(2))g`
    C
    `"equal to "(m_(1)+m_(2))g`
    D
    none of the above

  • Find out velocity of block B in the given figure : (all the pulleys are ideal and string are inextensible massless)

    A
    `80 m//s hatj`
    B
    `-40 m//s hatj`
    C
    `0 m//s hatj`
    D
    `-80 m//s hatj`

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