How can you prove by an experiment that metals expand at different rates on heating​

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.

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.