An a-particle has a charge of +2e and a mass of 6.64 x 1027 kg. It is accelerated from rest through a potential difference that has a value of 1.99 x 10° V and then enters a uniform magnetic field whose magnitude is 2.94 T. The a-particle moves perpendicular to the magnetic field at all times. What is (a) the speed of the a-particle, (b) the magnitude of the| magnetic force on it, and (c) the radius of its circular path? Parallel plate сарacitor B (into screen) A. В. C. + + + + + +

A magnet produces a 0.300 T field between its poles, directed to the east. A dust particle with charge q = −3.90 × 10−18 C ismoving straight down at 0.300 cm/s in this field.  What is the magnitude of the magnetic force on the dust particle?

A proton moving at 4.30 x 10° m/s through a magnetic field of magnitude 1.78 T experiences a magnetic force of magnitude 8.60 x 10-13 N. What is the angle between the proton's velocity and the field? (Enter both possible answers from smallest to largest.)

(a) At what speed (in m/s) will a proton move in a circular path of the same radius as an electron that travels at 7.80 ✕ 106 m/s perpendicular to the Earth's magnetic field at an altitude where the field strength is 1.20 ✕ 10−5 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?

An a-particle has a charge of +2e and a mass of 6.64 x 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.89 x 10° V and then enters a uniform magnetic field whose magnitude is 1.84 T. The a-particle moves perpendicular to the magnetic field at all times. What is (a) the speed of the a-particle, (b) the magnitude of the magnetic force on it, and (c) the radius of its circular path? (a) Number i (b) Number i (c) Number Parallel plate capacitor +++++++ + + + + + + + Units Units Units B (into screen)

A proton travels with a speed of 4.95 ✕ 106 m/s at an angle of 57° with the direction of a magnetic field of magnitude 0.200 T in the positive x-direction. A) What is the magnitude of the magnetic force on the proton? ?N (b) What is the proton's acceleration? (Give the magnitude.) ?

A wire with a current of 6.4 A is in a uniform magnetic field B - Bai + By] + B,k Where B= =8.9T. and By =45T, and Be =44.8T are the components of the magnetic field. The wire is oriented along the x-axis and is carrying the current in the +x direction and has a length 7.76m What is the magnitude of the magnetic force on the wire (in INy? I need to show all work

At a certain location, Earth has a magnetic field of 0.60 × 104 T, pointing 75° below the horizontal in a north-south plane. A 9.8 m long straight wire carries a 11 A current. (a) If the current is directed horizontally toward the east, what are the magnitude and direction of the magnetic force on the wire? Magnitude |N Direction O horizontal and directed due east O horizontal and directed due west O 15° above the horizontal in the northward direction O 75° above the horizontal in the northward direction O 15° below the horizontal in the southward direction O 75° below the horizontal in the southward direction (b) What are the magnitude and direction of the force if the current is directed vertically upward? Magnitude |N Direction O horizontal and directed due west O 15° above the horizontal in the northward direction O 75° below the horizontal in the southward direction O 75° above the horizontal in the northward direction 15° below the horizontal in the southward direction O…

An electron moving with velocity 7.2 X 103 m / s, in the positive direction of the x axis, enters a region of space where there is a magnetic field 2.6 X 10-2 T, directed in the positive direction of the z axis. Find the force acting on the electron and the radius of the orbit that the electron describes. (electron mass = 9.11 X 10-31 Kg; q = 1.6 X 10-19 C.)

An alpha particle has a positive charge that is double the charge of a proton, and a mass of 6.64 ✕ 10−27 kg. At a particular instant, it is moving with a speed of 5.00 ✕ 106 m/s through a magnetic field. At this instant, its velocity makes an angle of 62° with the direction of the magnetic field at the particle's location. The magnitude of the field is 0.230 T. (a) What is the magnitude of the magnetic force (in N) on the particle?   (b) What is the magnitude of the particle's acceleration (in m/s2) at this instant?