Identify the physical property of a material that is NOT a good conductor of heat. A. Hard or shiny
B. Hammer into sheets
C. High melting or boiling point
D. None of the above

Ways that industry and agriculture use physical properties to separate substances

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?

Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space.a. zerob. πc. π/2d. not determinable by the information provided