An atomic nucleus has a charge of +40e. an electron is 10-9 m from the nucleus. what is the force on the electron?

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

The 5-kg cylinder is initially at rest when it is placed in contact with the wall b and the rotor at a. if the rotor always maintains a constant clockwise angular velocity v = 6 rad> s, determine the initial angular acceleration of the cylinder. the coefficient of kinetic friction at the contacting surfaces b and c is mk = 0.2.

What makes thermal imaging cameras useful? they can detect differences in color. they can detect differences in wave speeds. they can detect differences in temperature. they can detect mechanical waves.