A potassium ion (K+) moves in the xy-plane with a speed of 2.60 ✕ 103 m/s. If a constant magnetic field is directed along the z-axis with a magnitude of 3.50 ✕ 10−5 T, find the magnitude of the magnetic force acting on the ion and the magnitude of the ion's acceleration.   (a) the magnitude (in N) of the magnetic force acting on the ion   (b) the magnitude (in m/s2) of the ion's acceleration

You have placed electrons in a magnetic field. The electrons move in horizontal circles of radius 9.5 cm when their speed is 2.0×10^6 m/s. What is the magnitude and direction of the magnetic field that causes this motion?

(d) Would the electron undergo the same acceleration? O Yes O No

A sodium ion (Na+) moves in the xy-plane with a speed of 2.30 ✕ 103 m/s. If a constant magnetic field is directed along the z-axis with a magnitude of 3.75 ✕ 10−5 T, find the magnitude of the magnetic force acting on the ion and the magnitude of the ion's acceleration.   (a) the magnitude (in N) of the magnetic force acting on the ion   (b) the magnitude (in m/s2) of the ion's acceleration

A proton enters a magnetic field in such a way that it is traveling perpendicularly to the magnetic field lines. If the proton moves in a circle of radius 125 mm, and feels a force of 5.88 x 10 -16 N, how fast is the proton traveling?

A particle with charge 8.11 x 10^-6 C moves at 4.75 x 10^6 m/s through a magnetic field of strength 4.14 T. The angle between the particle s velocity and the magnetic field direction is 55.1 degrees and the particle undergoes an acceleration of 7.7 m/s^2. What is the particle s mass?     9.2 kg   16.99 kg   3.9 kg   5.4 kg

Electrons and protons travel from the Sun to the Earth at a typical velocity of 3.88 x 10 m/s in the positive x-direction. Thousands of miles from Earth, they interact with Earth's magnetic field of magnitude 2.93 x 10-8 T in the positive z-direction. Find the magnitude and direction of the magnetic force on a proton. Find the magnitude and direction of the magnetic force on an electron. HINT (a) magnitude of the magnetic force on a proton (in N) N (b) direction of the magnetic force on a proton O+x-direction O-x-direction O+y-direction O-y-direction O +z-direction -z-direction (c) magnitude of the magnetic force on an electron (in N) N (d) direction of the magnetic force on an electron +x-direction -x-direction O +y-direction O-y-direction O +z-direction O -z-direction 000

A proton (with mass mp = 1.67 x 10-27 kg, charge qp = 1.6 x 10-19 C) moving with a speed of 0.80 x 105 m/s, enters the Earth’s magnetic field (B= 55.0 μμT, Northbound). If the proton is shot eastward, the magnetic force acting on it should be Group of answer choices 8.08 x 10-16 N downward 7.04 x 10-19 N West-bound 7.04 x 10-19 N upward 7.04 x 10-19 N downward