A charge of 18 nC is uniformly distributed along a straight rod of length 3.1 m that is bent into a circular arc with a radius of 1.9 m. What is the magnitude of the electric field at the center of curvature of the arc?

the temperature and the pressure affect solubility. temperature affects by changing the properties of the solvent. the increase in pressure increases solubility, the decrease in pressure decreases solubility.

he made 11 calls in one day

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.