Two points charges q, = +4.80 × 10-ºC,q2 = -2.90 x 10C move with different velocities. At a certain instant of time: Position 1 = (0,0.250m,0); v, = 9.20 × 10$m/s Position 2 = (0.150m, 0,0); vzy = -5.30 x 10 m/s What is the magnetic force (magnitude and direction) that the first point charge exerts on the second?

1. A particle with a charge of -1.24 x 108 C is moving with instantaneous velocity v = (1.49 x 10* ) î +(-3.85 × 104")j. What is the force exerted on this particle by a magnetic field (a) B = (1.40 T)î + (-2.30 T)k and (b) B = (-1.25 T)î + (2.00 T)f+(-3.50 T)k? 2. A particle with mass 1.81 x 103 kg and a charge of 1.22 x 108 C has, at a given instant, a velocity = (3.00 x 104 . What are the magnitude and direction of the particle's acceleration produced by a uniform magnetic field B = (1.63 T)î + (0.980 T)ſ? %3D %3D 3. A circular area with a radius of 6.50 cm lies in the xy-plane. What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B = 0.230 T (a) in the +z- direction; (b) at an angle of 53.1° from the +z-direction; (c) in the +y-direction? 4. The magnetic field in the certain region is 0.128 T, and its direction is that of the +z-axis in the figure below. (a) What is the magnetic flux across the surface abcd in the figure? (b) What is the…

What would be the magnitude and direction of force FB on a test positive charge (q = + 3e, me = 29.1 x 10-31 kg) shot in the -y direction with a speed of 7.7 x 105 m/s in a uniform magnetic field B = 2.6 x 10-4 T along +y direction? O FB = 1.97 x 10-¹7 N toward us, away from the plane of the screen O FB = 7.4 x 10-13 N away from us, towards the plane of the screen O FB = 4.92 x 10-11 N away from us, towards the plane of the screen FB = 0.00 N so will maintain its velocity.

3. A long wire carries a 10A current from left to right. An electron 1 cm above the wire is traveling to the right at a speed of 1 x 10’m/sec. What are the magnitude and the direction of the magnetic force on the electron? B=1 mTesla.

A proton travels through a magnetic field with a strength of 4.40 T and is traveling at a speed of 1.52×107 m/s. What is the force on the proton as shown in the figure? 7.57×10-12 ĵ  N 1.51×10-11 ĵ  N 7.57×10-12 -ĵ  N 1.51×10-11 -ĵ  N

A slow-moving cosmic ray proton with charge 1.6 x 10 19 C has a velocity of 9.5 x 10 mys and travels perpendicular to Earth's magnetic fieid. If the field strength is 3.5 x 10ST at the altitude of the proton, then what will be the radius of the circular motion? O A 0.0035 m B. 29 m O C. 56 m O D. 250 m

An electron is traveling to the north with a speed of 3.5 x 10^6 m/s when a magnetic field is turned on. The strength of the magnetic field is 0.030 T, and it is directed to the left. What will be the direction and magnitude of the magnetic force?

an electron travels at a speed of 1x10^4 m/s perpendicular to a magnetic field. The field provokes the electron to move in a circular path of a radius .4m. What is the strength in Tesla

A proton moves perpendicularly to a mag- netic field that has a magnitude of 3.00 × 10−2 T. The charge on a proton is 1.60×10−19 C. What is the speed of the particle if the magnitude of the magnetic force on it is 1.91× 10−14N? Answer in units of m/s.

8. This time I1 = 1.61, I2 = 4.86 A, and the two wires are separated by 8.83 cm. Now consider the charge q = 2.22 x 10^-6 C, located a distance of 4.50 cm to the right of wire I2, moving to the right at speed v = 48.4 m/s. What is the magnitude of the total magnetic force on this charge?     2.58E-09 N   1.81E-09 N   1.09E-09 N   5.45E-10 N