MCQ
A solid sphere rolls down from top of inclined plane$, 7m$ high$,$ without slipping. Its linear speed at the foot of plane is $...... \ (g = 10\ m/s^2)$
- A$\sqrt{\frac{280}{3}} \ m / s$
- ✓$\sqrt{100} \ m / s$
- C$\sqrt{70}$
- D$\sqrt{\frac{140}{3}} \ m / s$