2. [-/4 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A 25 cm rod moves at 5.6 m/s in a plane perpendicular to a magnetic field of strength 0.26 T. The rod, velocity vector, and magnetic field vector are mutually perpendicular, as indicated in the accompanying figure. B X X X X X X X T? m/s (b) What would the radius (in m) of the path be if the proton had the same speed as the electron? m (c) What would the radius (in m) be if the proton had the same kinetic energy as the electron? m (d) What would the radius (in m) be if the proton had the same momentum as the electron?6. [-/2 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The magnetic field in a region of space is specified by its x, y, and z components which are respectively By = 0.147 T, By = 0.157 T, and B2 = 0.200 T. If a 30.0-cm wire carrying a current of 3.55 A is oriented along the z-axis with the current in the -z direction, determine the magnitude and direction of the force acting on the wire. magnitude N direction . counterclockwise from the +x-axis7. [-!1 Points] A 2404an rectangular loop that is 23 cm long and 19 cm wide is placed in a 0.80% magnetic field. It the maximum torque is 23 N - m, determine the current in the loop. |:|A 8. [-/2 Points] DETAILS A velocity selector in a mass spectrometer, like the one shown below, uses a 0.110 T magnetic field. FF O .) B O . O Ion source O 4 O O O O + O 271 O O O O O B (a) What electric field strength is needed to select a speed of 4.13 x 10 m/s? V/m b) What is the voltage between the plates if they are separated by 1.00 cm? kV