A cube of wood of volume of 0.2m³ and density 6000kg/m³ is placed in a liquid of density 800kg/m³.what friction of volume of the wood be immersed in the liquid?

What are the applications of electromagnetic waves

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?

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction