Question

A disc rolls down a plane of length $L$ and inclined at angle q, without slipping. its velocity on reaching the bottom will be :-

• A. $\sqrt{\frac{4gL\sin \theta }{3}}$
• B. $\sqrt{\frac{2gL\sin \theta }{3}}$
• C. $\sqrt{\frac{10gL\sin \theta }{7}}$
• D. $\sqrt{4gL\sin \theta }$

Answer 1

The correct option is A $\sqrt{\frac{4gL\sin \theta }{3}}$

Here,
h=Lsinθ