A cosmic ray proton travels in a circle with a radius of 65 m perpendicular to Earth's magnetic field. If the proton's speed is 299 x 10 m/s, then what is the field strength at the proton's location? Assume the proton has a charge of 18 x 10 C O A 4.3 x 102 T O B 2.1x 10' T C. 72 x 1055 T D. 1.4 x 10 50 T

An electron is introduced into a uniform magnetic field, Bx = 50.0 μTesla directed at right angles to the electron’s velocity vy = 5 x105 m/s. The electron subsequently moves in a circular path. What is the radius of the circular path? Select one: a. 5.68 cm b. 56.8 cm c. 2.84 m d. 2.84 cm

An electron moves with a speed of 1.5 x 107 m/s in the direction shown below in the figure. A 0.7 T magnetic field points as also shown in the figure. What is the magnetic force on the electron? (e = 1.6 x 10-19 C) 17x10-12 N. into the page Electron 50° B X

See McKi In the figure, four long straight wires are perpendicular to the page, and their cross sections form a square of edge length a = 17.5 cm. Each wire carries 7.50 A, and the currents are out of the page in wires 1 and 4 and into the page in wires 2 and 3. In unit-vector notation, what is the net magnetic force per meter of wire length on wire 4? H Number + Units

A thin 1.65 m long copper rod in a uniform horizontal magnetic field has a mass of 58.0 g. When the rod carries a current of 0.286 A directed perpendicular to the magnetic field, it floats in the magnetic field.   What is the field strength of the magnetic field? Answer in units of T.

A proton moving in the positive y direction perpendicular to a magnetic field experiences a force due to a magnetic field in the positive x direction. What is the direction of the magnetic field over this region? draw a diagram showing the moving particle, the magnetic field, and the path of the proton in the field as it is deflected by the magnetic field

Two long parallel wires 20 cm apart carry currents of 5.0 A and 8.0 A in opposite directions. What is the magnitude of the net magnetic field midway between the wires? O 1.3 x 10-5 T 1.0 x 10-5 T 2.6 x 10-5 T 6.0 x 10-6 T 1.6 x 10-5 T

A proton moves with a speed of 1.0 x 107 m/s in the directions shown. A 0.50 T magnetic field points in the positive x-direction. For each, what is the magnetic force on the proton? Give your answers as a magnitude and a direction.

A proton travelling at a high velocity enters a 0.45 T magnetic field and travels in a circular path of radius 0.28 m as shown. A B=0.45 T X X X X X X X X X X X B What is the kinetic energy of the proton? And which path will the proton follow? A or B? x X X X X

9. A helium nucleus (2 protons, 2 neutrons) is traveling at a velocity of 4.33 x 10^6 m/s a distance of 4.52 cm away from a wire carrying a current of 1.40 A. The helium nucleus is traveling in a direction parallel to the current in the wire. How much acceleration does the helium nucleus experience due to the magnetic force from the current in the wire?     1.54E+09 m/s^2   2.05E+09 m/s^2   1.28E+09 m/s^2   5.12E+08 m/s^2