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Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Oscillations
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In figure a block of mass 100 kg tied to a string of linear mass density 0.1 Kg/m . Find the velocity of wave produced in the string ? (neglect string mass) $\;(g=10\;m/s^{2})$

$(a)\;10 \sqrt{10}\;cm/s\qquad(b)\;100\;m/s\qquad(c)\;100\;cm/s\qquad(d)\;1000\;cm/s$

Can you answer this question?

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Answer : (b) $\;100\;m/s$
Explanation :
velocity (v) = $\;\sqrt{\large\frac{F}{\mu}}$
Tension in the string (F) = $\;100 \times 10$
$=1000 N$
answered Mar 7, 2014 by yamini.v

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