Item 8 Part A Singly ionized (one electron removed) atoms are accelerated and th

Question

Item 8 Part A Singly ionized (one electron removed) atoms are accelerated and then passed through a velocity selector consisting of perpendicular electric and magnetic fields. The electric field is 157 V/m and the magnetic field is 3.12 102 T. The ions next enter a uniform magnetic field of magnitude 1.73x10-2 T that is oriented perpendicular to their How fast are the ions moving when they emerge from the velocity selector? m/s u= Submit My Answers Give Up Part B If the radius of the path of the ions in the second magnetic field is 18.0 cm, what is their mass? ) ? kg Submit My Answers Give Up

Explanation / Answer

a) v = E / B

= 157 / 3.12 * 10-2

speed v = 5.03 * 103 m/s

b) m = q R B / v

= (0.18 * 1.6* 10-19 * 1.73 * 10-2) / (5032)

mass m = 9.90 * 10-26 kg

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