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[Post New]25 Mar 2008 16:13:42 IST
    Subject: Re:FIND THE IMPULSE ON THE PARTILE?
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karthik2007 (3733)

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Consider one of the sides as the x axis.

Velocity along this line = vi

Now, velocity along the next side, which makes an angle of ( - /n) with the positive x axis is v(-cos(pi/n) + v(sin(pi/n))

required impulse = mass x difference between the two velocity vectors. To get magnitude, take sum of square root fo components
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