The magnetic force exerted on a 1.650 m straight wire is 1.975 . The wire carries a current of 5.30 A in a region with a constant magnetic field of 0.250 T. What is the angle between the wire and the magnetic field?

12. what is a phase change? construct a heating-cooling curve for a substance that freezes at –23.0 °c and has a boiling point of 67.0 °c. name all possible changes that can occur among the vapor, liquid, and solid phases of this substance, and name the four phase change enthalpies involved. indicate whether these changes are exothermic or endothermic. (6 points)