Should an electrician wear gloves made of a metal or a nonmetal element when working around electrical wires explain your answer

A police siren sounds different as it comes close to you than when it moves away from you. what term explains how this happens? a. diffraction b. the doppler effect c. rarefaction d. shockwaves

The relationship between observation and hypotheses

Which is the correct definition of a chemical reaction? A. Substances are mixed together. B. Substances interact to form new substances. C. Things change color. D. Substances melt.

What is a atom and a molecue

Which applications, either for diagnostic purposes or for therapeutic purposes, involve radioactive materials placed in the body? Check all that apply.

What step precedes the onset of hydrogen fusion in a star?

Manuel is holding a 5kg box how much force is he exerting on it

The object on the left is a discus, a piece of sports equipment made of a metal core, a plastic inner rim, and a metal outer rim. The object on the right is a flying disc, a piece of sports equipment made of plastic.

If you are sitting in your seat how are the forces acting on you?

At what speed does a falling hailstone travel? Does the speed depend on the distance that the hailstone falls?