a pendulum bob is given velocity u = root(7gr/2) at lowest point where r is length of the string then the minimum velocity of bob in subsequent motion is

a pendulum bob is given velocity u = root(7gr/2) at lowest point where

1.	a pendulum bob is given velocity u = root(7gr/2) at lowest point where r is length of the string then the minimum velocity of bob in subsequent motion is
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a pendulum bob is given velocity u = root(7gr/2) at lowest point where r is length of the string then the minimum velocity of bob in subsequent motion is

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