The mass of the stepped disk is 18 kg and its moment of inertia is 0.28 kg-m2. If the disk is released from rest, what is its angular velocity when the center of the disk has fallen 1 m?

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays

The necleus of an atom is made up of what subatomic particles?

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?