Explain qno.16. Ans(2):

16. A block A of mass m and a pan P of equal mass are connected by a string passing over a smooth light pulley Initially the system is at rest. A particle of mass m falls freely from height h on the pan and sticks to it. The speed with which A moves just after the collision is. .


$$\begin{gathered} \left(1\right) \frac{\sqrt{\mathrm{gh}}}{3} \left(2\right) \frac{\sqrt{2\mathrm{gh}}}{3} \\ \left(3\right) \frac{2\sqrt{\mathrm{gh}}}{3} \left(4\right) \frac{4\sqrt{\mathrm{gh}}}{3} \end{gathered}$$