A radioactive nuclide of atomic number Z emits an electron, then the daughter nuclide emits a gamma ray. What is the atomic number of the resulting nuclide after both processes?
A) Z+1
B) Z-1
C) Z-2
D) Z-3
A
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Mass Sprectrometer: In a mass spectrometer, a single-charged particle has a speed of 1.00 × 106 m/s and enters a uniform magnetic field of 0.200 T at a right angle to the field. The radius of the resulting circular orbit is 20.75 cm. What is the mass of the particle? (e = 1.60 × 10-19 C)
A. 3.20 × 10-27 kg B. 6.64 × 10-27 kg C. 1.67 × 10-27 kg D. 9.11 × 10-31 kg
Kirchhoff's Rules: A multiloop circuit is shown in the figure. Find the current I2 if the batteries are ideal. (It is not necessary to solve the entire circuit.)
A. -3 A B. 3 A C. 7 A D. -7 A E. 0 A
If the electric potential at a point in space is zero, then the electric field at that point must also be zero
A) True B) False
The Mercalli scale was used to measure
a. tornados. b. earthquakes. c. tsunamis. d. hurricanes.