1 . v∘

• A. $R=\frac{{v^2}_{\circ }\sin 20}{g}$
• B. $R=\frac{{v^2}_{\circ }\sin 20}{2g}$
• C. $R=\frac{v_{\circ }\sin 20}{g}$
• D. $R=\frac{v^2\sin 20}{g}$

Answer: Option A

Explanation:

2 . V∘

• A. $\frac{v_{\circ }}{2g}$
• B. $\frac{2v_{\circ }}{g}$
• C. $\frac{{v_{\circ }}^2}{g}$
• D. $\frac{{v^2}_{\circ }}{2g}$

Answer: Option D

Explanation: