Day 471: JEE Mains Physics

1. A.
   $\mu = \frac{v_{0}^{2} + rgtan\theta}{rg - v_{0}^{2}\tan\theta}$
2. B.
   $\mu = \frac{v_{0}^{2} + rgtan\theta}{rg + v_{0}^{2}\tan\theta}$
3. C.
   $\mu = \frac{v_{0}^{2} - rgtan\theta}{rg + v_{0}^{2}\tan\theta}$
4. D.
   $\mu = \frac{v_{0}^{2} - rgtan\theta}{rg - v_{0}^{2}\tan\theta}$

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1. A.
   A, B, C, D
2. B.
   B, D Only
3. C.
   A, B, C Only
4. D.
   A, C Only

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1. A.
   $\left( \frac{\sigma}{\sigma - 1} \right)^{\frac{1}{3}}$
2. B.
   $\left( \frac{\sigma + 1}{\sigma - 1} \right)^{\frac{1}{3}}$
3. C.
   $\left( \frac{\sigma - 1}{\sigma} \right)^{\frac{1}{3}}$
4. D.
   $\left( \frac{\sigma - 2}{\sigma + 2} \right)^{\frac{1}{3}}$

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