A proton moves at 8.00×10^7 m/s perpendicular to a magnetic
field. The field causes the proton to travel in a circular path of
radius 1 m. What is the field strength?

A proton moves at 8.00×10^7 m/s perpendicular to a magnetic field. The field causes the proton...
A proton moves at 7.20 ✕ 107 m/s perpendicular to a magnetic field. The field causes the proton to travel in a circular path of radius 0.810 m. What is the field strength (in T)?
A proton moves at 7.90 ✕ 107 m/s perpendicular to a magnetic field. The field causes the proton to travel in a circular path of radius 0.840 m. What is the field strength (in T)?
8. A proton enters perpendicular to a magnetic field at 4.50 x 10 m/s that causes it to move in a circular path, due to a magnetic force of 1.85 x 10' N. When the proton is traveling in a circle it produces a current 1.05 x 10- A. What is the strength of the magnetic field? What is the radius of the circle? What is the torque on the proton? (16 pts)
A cosmic-ray proton moves at 2.8 × 107 m/s perpendicular to Earth’s magnetic field at an altitude where the field strength is 1.75 × 10−5 T. What is the radius of the circular path the proton follows? Draw a diagram to explain your answer.
Ch21 P13. An electron moves at 1.0710E + 6 m/s perpendicular to a magnetic field. The field causes the particle to travel in a circular path of radius 9.5001E - 5 m. What is the field strength? Answer with 3SigFigs and proper units.
Problem 3. a. An electron moving at 4.00x103 m/s in a 1.25-T magnetic field experiences a magnetic force of 1.40*10-16 N. What angle does the velocity of the electron make with the magnetic field? There are two answers. b. A proton moves at 7.50x107 m/s perpendicular to a magnetic field. The field causes the proton to travel in a circular path of radius 0.800 m. What is the field strength?
1. A proton, which moves perpendicular to a magnetic field of 1.29 T in a circular path of radius 0.073 m, has what speed? (qp = 1.6 · 10 -19 C and mp = 1.67 · 10 -27 kg) 2. A 74.0-m-long wire carrying a current of 3.80 A will be accompanied by a magnetic field of what strength at a distance of 0.0270 cm from the wire? Give your answer in Gauss, G. (magnetic permeability in empty space µo...
Problem 4. (10 pts.) A proton moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 2.00 mt. If the speed of the electron is 1.52 x10 m/s, determine (a) the radius of the circular path. (c) the time interval required to complete one revolution.
A proton with a kinetic energy of 6.1 ✕ 10-16 J moves perpendicular to a magnetic field of 3.9 T. What is the radius of its circular path? cm A wire with a current of 2.8 A is at an angle of 38.5° relative to a magnetic field of 0.88 T. Find the force exerted on a 2.13 m length of the wire. N
A proton moves in a circle with a speed of 430 m/s through a uniform magnetic field of 2.0 T directed perpendicular to the circular path. 1) What is the orbital radius of the proton? (Express your answer using two significant figures.) (units in micro m)