Consider the mass spectrometer shown schematically in the figure below. The magnitude of the electric field between the plates of the velocity selector is 2.20 x 10° V/m, and the magnetic field in both the velocity selector and the deflection chamber has a magnitude of 0.0300 T. Calculate the radius of the path for a singly charged ion having a mass m = 1.86 x 10-26 kg. x xix P x m x x x x Detector array Bin Bo, in Velocity selector x x * x x * x x x x x 18 x 9 x x x x x x x x x x

An infinitely long wire carries a current of I = 150 A. Randomized VariablesI = 150 A  Part (a)  Consider a circle with a radius r and centered on the wire. Determine the magnitude of the magnetic field B at points along the circle in terms of I and r.   Part (b)  If r = 0.14 m, calculate the numerical value of B in tesla.

A metal strip 6.70 cm long, 0.850 cm wide, and 0.880 mm thick moves with constant velocity in the positive y direction through a uniform magnetic field B = 2.30 mT that is directed in the negative z direction. A potential difference of 4.60 μV is measured across the width of the strip. What is the magnitude of the velocity v of the strip?

Consider the mass spectrometer shown schematically in the figure below. The magnitude of the electric field between the plates of the velocity selector is 2.80 x 103 V/m, and the magnetic field in both the velocity selector and the deflection chamber has a magnitude of 0.0400 T. Calculate the radius of the path for a singly charged ion having a mass m = 1.92 x 10-26 kg. P x Detector array m Bin Bo, in xx X X X Velocity selector X x x x * X XX TE x x x X x 1P X * XA XA XA X X x X x X

A mixture contains two types of particles, 40K and an unknown substance, X. 4°K has a mass of 6.64x10-26 kg but the mass of substance X is not known. The charge on both substances is the same but also unknown. The particles are launched into the mass spectrometer at a speed of 6750 m/s. The mass spectrometer has a 7.47x103 T magnetic field pointing out of the page (as shown below). The 4°K particles hit a semi-circular detector with a diameter of 25.0 cm and substance X hits the detector with diameter of 28.0 cm Path of °K ions Velocity selector Path of substance X ions Mass Spectrometer Magnetic Field out of page Part A The charge on the particles is: q = 4,80x10-19 C Submit Previous Answers v Correct Part B How many electrons were removed from 4°K and substance X? ? Ne = Submit Request Answer Part C What is the mass of substance X? mx = kg

The answer is 3.5. What is the work for this problem?

A 180 V battery is connected across two parallel metal plates of area 28.5 cm2cm2 and separation 7.20mm. A beam of alpha particles (charge +2e+2e, mass 6.64×10-27kg6.64×10-27kg) is accelerated from rest through a potential difference of 1.50 kV and enters the region between the plates perpendicular to the electric field, What magnitude of magnetic field is needed so that the alpha particles emerge undeflected from between the plates? Express your answer with the appropriate units. What is the direction of this magnetic field? The magnetic field is directed out of the page. The magnetic field is directed upward. The magnetic field is directed into the page. The magnetic field is directed downward.

A mass spectrometer is used to separate the uranium isotopes 235U and 238U. (a) What is the ratio of the radii of their circular paths? (b) In this spectrometer, singly ionized uranium ions pass first through a 180-m/s velocity selector, then into a 2.75-T magnetic field. Find the diameters of the arcs traced out by the two isotopes.

Consider the mass spectrometer shown schematically in the figure below. The magnitude of the electric field between the plates of the velocity selector is 2,463.22 V/m, and the magnetic field in both the velocity selector and the deflection chamber has a magnitude of 0.03 T. Calculate the radius of the path in meter for a singly charged ion having a mass m=2.10x10-26 kg. (Do not include the units and keep two decimal places.) The charge of an electron is 1.6x10-19 c. Во, in х х х х Detector array in Velocity selector -- +

A proton is moving under the combined influence of an electric field (E = 1747 V/m) and a magnetic field (B = 1.37 T), as shown in the figure. Assuming the proton is moving in the direction shown in the figure with speed 229 m/s at the instant it enters the crossed fields, what is the acceleration of the proton? (in m/s^2)