Maximum height reached by a body projected with a fraction of escape velocity

1. A.
   $\frac{n^2R}{1-n^2}$
2. B.
   $\frac{n^2R}{2(1-n)}$
3. C.
   $\frac{nR}{2+n^2}$
4. D.
   $\frac{n^2R}{2(1+n)}$

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1. A.
   $R$
2. B.
   $\frac{R}{2}$
3. C.
   $\frac{R}{3}$
4. D.
   $\frac{R}{4}$

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1. A.
   $\frac{R}{8}$
2. B.
   $\frac{R}{6}$
3. C.
   $\frac{R}{4}$
4. D.
   $\frac{R}{9}$

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1. A.
   $\frac{R}{4}$
2. B.
   $\frac{R}{8}$
3. C.
   $\frac{R}{9}$
4. D.
   $\frac{R}{6}$

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1. A.
   $\dfrac{R}{3}$
2. B.
   $R$
3. C.
   $\dfrac{R}{2}$
4. D.
   $\dfrac{R}{4}$

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1. A.
   $4R$
2. B.
   $3R$
3. C.
   $R$
4. D.
   $2R$

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1. A.
   $R\left(\dfrac{K}{1 + K}\right)^2$
2. B.
   $\dfrac{R^2K}{1 + K}$
3. C.
   $\dfrac{RK^2}{1 - K^2}$
4. D.
   $R\left(\dfrac{K}{1 - K}\right)^2$

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