MCQ
An object is projected from ground with speed $u$ at angle $\theta$ with horizontal. the radius of curvature of its trajectory at maximum height from ground is ..........
- A$\frac{u^2 \sin 2 \theta}{g}$
- ✓$\frac{u^2 \cos ^2 \theta}{g}$
- C$\frac{u^2 \sin ^2 \theta}{g}$
- D$\frac{u^2 \sin ^2 \theta}{2 g}$
