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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
20
Magnetism
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20-3: Force on Electric Current in Magnetic Field
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20-4: Force on Charge Moving in Magnetic Field
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20-5 and 20-6: Magnetic Field of Straight Wire, Force between Two Wires
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20-7: Solenoids and Electromagnets
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20-8: Ampère's Law
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20-9 and 20-10: Torque on Curent Loop, Motors, Galvanometers
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20-11: Mass Spectrometer
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20-12: Ferromagnetism, Hysteresis
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 11
Q

Alpha particles (charge  q=+2e,mass  m=6.6×10−27 kg)(\textrm{charge} \; q = +2e, \textrm{mass} \; m = 6.6 \times 10^{-27} \textrm{ kg}) move at 1.6×106 m/s1.6 \times 10^6 \textrm{ m/s}. What magnetic field strength would be required to bend them into a circular path of radius r=0.14 mr = 0.14 \textrm{ m}?

A
0.24 T0.24 \textrm{ T}
Giancoli 7th Edition, Chapter 20, Problem 11 solution video poster
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