A1.0-kg mass (ma) and a 6.0-kg mass (mb) are attached to a lightweight cord that passes over a frictionless pulley. the hanging masses are free to move. find the acceleration of the larger mass.

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

What are some properties of transverse waves?