A proton moving in a uniform magnetic field with ₁1.18 x10 m/s experiences force F₁1.27 x10-16 N. A second proton with ₂2.13 x10 m/s experiences F₂3.71 x10-16 & N in the same field. What is the magnitude of B? Express your answer with the appropriate units. ▸ View Available Hint(s) B = 1.28 mT Submit Correct Part B Previous Answers What is the direction of B? Give your answer as an angle measured ccw from the +x-axis. Express your answer in degrees. ▸ View Available Hint(s) Submit 197| ΑΣΦ 0= 33.58 Previous Answers B ? X Incorrect; Try Again; 8 attempts remaining D

The long, thin wire shown in the figure (Figure 1) is in a region of constant magnetic field B. The wire carries a current of 6.2 A and is oriented at an angle of 7.5° to the direction of the magnetic field. Part A If the magnetic force exerted on this wire per meter is 3.5×10-2 N, what is the magnitude of the magnetic field? Express your answer using two significant figures. VE ΑΣΦΑΙΡΟ B = 40 Submit Part B X Incorrect; Try Again; 29 attempts remaining Previous Answers Request Answer 0 = 3.7 Submit ? At what angle will the force exerted on the wire per meter be equal to 1.6×10-² N ? Express your answer using two significant figures. 197| ΑΣΦΑ Previous Answers Request Answer ? mT X Incorrect; Try Again; 29 attempts remaining

The coil in a loudspeaker has 40 turns and a radius of 4.2 cm. The magnetic field is perpendicular to the wires in the coil and has a magnitude of 0.36 T. Part A If the current in the coil is 260 mA, what is the total force on the coil? Express your answer to two significant figures and include appropriate units. 99 Submit μA N SWIC ? Previous Answers Request Answer * Incorrect; Try Again; 29 attempts remaining

Question 6 As shown in the figure, a right triangle current loop (with its dimension of AB-8.39m; BC-5.01m) carries a current of 1-1.70A in a uniform magnetic field. The magnetic field is directed to the left and has a magnitude of B-1.47T. Find the magnitude of the magnetic force (unit in N) on the whole triangle. B A