25. 26. Use the following information to answer the next three questions. An experiment is designed to study the charge to mass ratio of hydrogen ions. Hydrogen ions, all moving in the same direction and with the same speed, v, are injected into a mass spectrometer. The magnitude of the magnetic field is varied, and the resulting radii of the path of the hydrogen ions are measured. The equation that describes the radius of curvature of an ion's path is B A. r=qJ' nw mv B. r: qBJ. qv C r_mBJ_ B D. r=mi qv A graph that shows the relationship between the radius of curvature of a hydrogen ion's path and the strength of the magnetic field is graph A. B. rt r| B B C. D. B B 27. Use the following additional infonnotion to answer the next question. The manipulated variable in this experiment was modified in order to obtain the straight line graph shown below. The slope of this straight line graph can be used to determine the charge to mass ratio of a hydrogen ion. Which of the following expressions gives the correct value for the charge to mass ratio? A. Slope squared times speed Slope divided by speed Speed divided by slope Speed times slope PS7.\