A short segment of a thin wire runs through a region of uniform magnetic field oriented perpendicular to the wire segment. If the magnitude of the magnetic field is 0.708~T T, and the magnetic force per unit length on the wire segment is 0.326~N/m N/m , calculate the current in the wire.

The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass

Select the correct answer from each drop-down menu. compared to its surroundings, the concentration of solutes is low inside a cell. so, the cell is with respect to its surroundings. a particular solute in this cell uses energy for its transport from the cell to its surroundings. this type of transport is called

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?