Which of the following best explains why electrical wires are usually covered with plastic or rubber

Your clothing tends to cling together after going through the dryer. Why? Would you expect more or less clinging if all your clothing were made of the same material (say, cotton) than if you dried different kinds of clothing together? Again, why?

What's the total resistance in a circuit that contains three 60 Ω resistors connected in series?

A color television tube generates some X-rays when its electron beam strikes the screen. What is the shortest wavelength of these X-rays, in meters, if a 31 kV potential is used to accelerate the electrons?

An object has an average acceleration of + 6.18 m/s2 for 0.266 s. At the end of this time the object's velocity is + 9.90 m/s.

For an isothermal process, the work done by or on a system of ideal gas is equal to the change in what?

In what direction does an applied force move an object? In the same direction as the force Independent of the force In the opposite direction of the force Perpendicular to the force

You (60 kg) and your friend (80 kg) are both floating on separate tubes next to each other on the San Marcos River. Now you push your friend with 10 Newton. Select all correct statements. A.

Six artificial satellites complete one circular orbit around a space station in the same amount of time. Each satellite has mass m and radius of orbit L.

A negative correlation between degree of wealth and likelihood of suffering from a psychological disorder would indicate that

1. What's your great idea for capturing carbon emissions from existing power plants today?