Describe the richter scale and what does it measure

adeen says that you can increase the resistance of a copper wire by hammering the wire to make it narrower and longer. Arnell says that you can increase its resistance by heating the wire. Which one, if either, is correct, and why

What determines how many electrons will leave a piece of metal in the photoelectric effect

The law of universal gravitation (gravity) describes two factors that affect the force of gravity between objects. What two factors affect gravity AND how?

Why do the particles in a liquid stay close to one another? a. they contain no heat. b. attractive forces are involved. c. a phase change is under way. d. liquids can have a high or low temperature.?

Which are benefits of using nuclear power plants to generate electricity? Check all that apply. Nuclear power plants use renewable fuel. Nuclear power plants produce little to no greenhouse gas.

3. A ray of light incident on one face of an equilateral glass prism is refracted in such a way that it emerges from the opposite surface at an angle of 900 to the normal. Calculate the i. angle of incidence. ii.

What would happen to the stratosphere if humans were to increase the amount of ozone within it?

The noise floor, also known as additive white Gaussian noise (AWGN), is a continuous noise level that appears over a wide spectrum when viewed in the frequency domain. a. Trueb. False

Disadvantages of magnets

What type of motion occurs when an object spins around an axis without altering its linear position?