(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

See Q2, Method 1 part c.

2. Relevant equations

3. The attempt at a solution

http://a5.sphotos.ak.fbcdn.net/hphotos-ak-ash4/316587_2275178233577_1072324659_2439905_368313036_n.jpg" [Broken]

I have obtain all eqtn I need but I cannot figure out how to get the equation of c.

I have been trying for few days and my friends tell me that it is possible that Dr made a mistake. Since without part c, we can still do part d easily.

Can anyone help me to see weather there are any error in the question?

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# Homework Help: Moving wedge with a particle.

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