Projectiles with the same speed at complementary angles (same range): heights, times or range

1. A.
   $R_{1} > R_{2}$ and $H_{1} = H_{2}$
2. B.
   $R_{1} = R_{2}$ and $H_{1} < H_{2}$
3. C.
   $R_{1} < R_{2}$ and $H_{1} < H_{2}$
4. D.
   $R_{1} = R_{2}$ and $H_{1} = H_{2}$

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1. A.
   Both $A$ and $R$ are true and $R$ is the correct explanation of $A$.
2. B.
   Both A and R are true but R is NOT the correct explanation of $A$.
3. C.
   $A$ is true but $R$ is false
4. D.
   $A$ is false but $R$ is true

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

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1. A.
   $\frac{1 - \tan\alpha}{1 + \tan\alpha}$
2. B.
   $\frac{1 + \sin\alpha}{1 - \sin\alpha}$
3. C.
   $\frac{1 - \sin2\alpha}{1 + \sin2\alpha}$
4. D.
   $\frac{1 + \sin2\alpha}{1 - \sin2\alpha}$

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1. A.
   1
2. B.
   $\frac{1 - \tan\alpha}{1 + \tan\alpha}$
3. C.
   $\frac{1 + \sin2\alpha}{1 - \sin2\alpha}$
4. D.
   $\frac{1 + \tan\alpha}{1 - \tan\alpha}$

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1. A.
   250
2. B.
   25
3. C.
   500
4. D.
   125

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