Rubies are used in electronics

What are the methods to reduce friction

How is a parallel circuit different from a series circuit?

Select the correct answer. What is the value of work done on an object when a 70-newton force moves it 9.0 meters in the same direction as the force?

Two students walk out on the broken bridge together. As they reach the end of the bridge, what would happen to their gravitational potential energy. A) Decrease B) increase C) Remain the same D) None of the above

Why do people hate each other?

V=345m/s, 7210Hz, X=?

As a mercury atom absorbs a photon of energy, an electron in the atom changes from energy level d to energy level e. Determine the energy of the absorbed photon in electronvolts.

During an exothermic reaction, the energy given off comes from atoms being consumed mass being burned into energy the breaking and forming of bonds mass being created

Can electrostatic attract both pull and pull?

Ways that charges can be transferred