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A Simple Pendulum consisting of a Mass M attached to a string of length L is released from rest at an angle Î±. A pin is located swings down, the string hits the pin. The max angle Î¸ which string makes with the vertical after hitting the pin is?

#Physics #Mechanics

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6 Answers

13

MAK ·2009-02-21 01:31:38

Conservation of energy solves d problem in single step...!!!

any prob...?

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24

eureka123 ·2009-02-21 02:20:18

Here mechanical energy is conserved. No work is done when the string hits the pin and partially wraps around it,because the part of the string that experiences a force is the part that is in contact with the pin, and is stationary.
initially and at max heiht velocity =0 => KE=0..........

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3

iitimcomin ·2009-02-21 02:34:38

a simple 1...........

mgLcosÎ± = mg(l + (L-l)cosÎ¸)
......

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24

eureka123 ·2009-02-21 02:36:34

vahi to likha hai dude.........[1][1]

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iitimcomin ·2009-02-21 03:29:22

sorry yaar!!!!!!!![2] tera dekha nahin!!!!

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11

Sunil Kumar ·2009-02-21 04:20:42

@ eureka. U r absolutely correct........

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Your Answer

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