A string of mass \( 2.5 \mathrm{~kg} \) under some tension. The length of the stretched string i...

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A string of mass \( 2.5 \mathrm{~kg} \) under some tension. The length of the stretched string is \( 20 \mathrm{~m} \). If the
\( P \) transverse jerk produced at one end of the string

W takes \( 0.5 \mathrm{~s} \) to reach the other end, tension in the string is :-
(1) \( 100 \mathrm{~N} \)
(2) \( 200 \mathrm{~N} \)
(3) \( 300 \mathrm{~N} \)
(4) \( 400 \mathrm{~N} \)
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