Introduce a new coordinate defined by q = q sin omega t. find the lagrangian in terms of the new coordinate and the corresponding hamiltonian. is h conserved?

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

What describes the particles in a liquid