jee-main 2022 Q5

jee-main · India · session1_29jun_shift2 Work done and energy Conservation of energy on frictionless tracks and pendulums
In the given figure, the block of mass $m$ is dropped from the point $|A|$. The expression for kinetic energy of block when it reaches point $|B|$ is
(1) $mgy_0$
(2) $\frac{1}{2}mgy_0^2$
(3) $\frac{1}{2}mgy^2$
(4) $mg(y - y_0)$
In the given figure, the block of mass $m$ is dropped from the point $|A|$. The expression for kinetic energy of block when it reaches point $|B|$ is\\
(1) $mgy_0$\\
(2) $\frac{1}{2}mgy_0^2$\\
(3) $\frac{1}{2}mgy^2$\\
(4) $mg(y - y_0)$