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A block of mass M, supported by a string...

A block of mass M, supported by a string, rests on an incline making an angle `theta` with the horizontal (Fig.) The string 's length is L and its mass is `m lt lt M. ` Derive an expression for the time it takes for a transverse wave to travel from one end of the string to the other.

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`sqrt((mL)/(Mg"sin"theta))`
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