Test ID 3209 Q.52 solutn is (C) not (A),isn't it?

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Test ID 3209 Q.52 solutn is (C) not (A),isn't it?

Postby tishad8889 » Sun Jan 09, 2011 5:00 pm

The crank angle is 2 pi considering one revolution...So integration of Torque T over 0 to 2 pi will be 40000pi J... But in the answer sheet provided, the solution is mentioned as (A) 20000pi J... Also the explanation given is contradicting itself... Please can anyone help me verify what i am saying.
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Re: Test ID 3209 Q.52 solutn is (C) not (A),isn't it?

Postby damodararao » Mon Jan 10, 2011 12:47 pm

Here the Torque is a function of 2theta .... that means theta varies from 0 to pi.
Therefore right answer is 20000pi.
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Re: Test ID 3209 Q.52 solutn is (C) not (A),isn't it?

Postby tishad8889 » Mon Jan 10, 2011 10:39 pm

Oh yes...I am sorry....My mistake....Thank you..!!
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