True or False: When a solid piece is cut in half, its density is divided in half as well.

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What is the work done by the electric force to move a 1 c charge from a to b?

What are the two basic types of satellites