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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 9 - Rotation > A weightless rod of length 2l carries two equal masses ‘m’, one tied at lower end A and the other at the middle of the rod at B The rod can rotate in vertical plane about a fixed horizontal axis passing through C . The rod of is released from rest in horizontal position The speed of the mass B at the instant rod become vertical is:

A weightless rod of length 2l carries two equal masses ‘m’, one tied at lower end A and the other at the middle of the rod at B The rod can rotate in vertical plane about a fixed horizontal axis passing through C . The rod of is released from rest in horizontal position The speed of the mass B at the instant rod become vertical is:

A solid sphere and a solid cylinder of same mass are rolled down on two inclined planes of heights h1 and h2 respectively. If at the bottom of the plane the two objects have same linear velocities A weightless rod of length 2l carries two equal masses 'm' then the ratio of h1:h2