A solid sphere, spherical shell, solid cylinder, and a cylindrical shell all have the same mass m and radius R. The same torque is applied on the rim for each of them, so that they all start to rotate about their long central axes from rest. Which object has the greatest angular speed after the same time interval

Alkaline earth metals are found in group 2 of the periodic table.

1) when you rub your hands together quickly, the kinetic energy is converted to mechanical energy.2) thermal energy from the sun travels to earth as infrared waves.3) energy is transferred through the matter of space by electromagnetic waves. 4) when a match is burned, chemical potential energy is converted to thermal and radiant energy. 5) seismicwaves are caused by back and forth movement , or vibration, of an object. 6) mechanicalenergy in an engine changes thermal energy into kinetic energy to make a car move.