Two pulses in a stretched string whose centres are \( \mathrm{P} \)...

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Published on ● Video Link: https://www.youtube.com/watch?v=CuGJ_aZvWR4


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Two pulses in a stretched string whose centres are
\( \mathrm{P} \) initially \( 8 \mathrm{~cm} \) apart are moving towards each other

W as shown in the figure. The speed of each pulse is 2 \( \mathrm{cm} / \mathrm{s} \). After 2 seconds, the total energy of the pulses will be
(1) Zero
(2) Purely kinetic
(3) Purely potential
(4) Partly kinetic and partly potential
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