Q1 = 60 nC is placed on y = 3.0 mm and O2 = 80 nC is placed at the origin, what is the magnitude of the electric field at x = 4.0 mm?​

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?

What is the coldest temperature ever recorded in san antonio?