A ball tied to a string of length R is given a speed V, when its hanging vertically. At some point B during its circular motion, the string gets slacked & after that the body passes through its initial point.

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In vcm a string slack at 131 ° approx So 90+x is equal to 131 Now x is equal to 31approx So option A 30 is correct If we use tension formula Putting angle 130 degree 0=mv 2 /l -2mg+3mgcos130° We will get velocity That is option c And at last If we use This formula Now if we use v sqare equal to u square minus 2gr(1-cos131 ) We will got the answer Option a

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A ball tied to a string of length R is given a speed V, when its hanging vertically. At some point B during its circular motion, the string gets slacked & after that the body passes through its initial point.

A ball tied to a string of length R is given a speed V, when its hanging vertically. At some point B during its circular motion, the string gets slacked & after that the body passes through its initial point.

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A ball tied to a string of length R is given a speed V, when its hanging vertically. At some point B during its circular motion, the string gets slacked & after that the body passes through its initial point.

A ball tied to a string of length R is given a speed V, when its hanging vertically. At some point B during its circular motion, the string gets slacked & after that the body passes through its initial point.

1 Answers

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Other Related Questions on Mechanics

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