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All pulleys are massless The string is l...

All pulleys are massless The string is light and inextensible Find acceleration of centre of pulley `'p' in m//s^(2)`

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The correct Answer is:
`40`
both block moves downward with acceleration `g(=10m//s^(2))` by using string constraint pully p will move upward with acceleration 40 m//s^(2)`
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