When a strange hadron decays into particles that are not strange, it is a manifestation of the
A. electromagnetic interaction.
B. strong interaction.
C. weak interaction.
D. gravitational interaction.
C. weak interaction.
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A supertrain (rest-length = 100 m) travels at a speed of 0.950c as it passes through a tunnel (rest-length 50.0 m). As seen by a trackside observer, is the train ever completely within the tunnel? If so, by how much?
What is the average kinetic energy per molecule of an ideal gas at a temperature of 300 K? Boltzmann's constant is k = 1.38 × 10-23 J/K
A) 1.7 × 10-21 J B) 8.3 × 10-21 J C) 6.2 × 10-21 J D) 2.1 × 10-21 J E) 4.1 × 10-21 J
Energy Levels: What is the ionization energy of the neutral hydrogen atom?
A. 27.2 eV B. 13.6 eV C. 6.8 eV D. none of the given answers
Exclusion Principle: In its ground state, the quantum numbers (n, ?, m1, ms) for hydrogen are, respectively,
A. 1, 1, 1, 1. B. 1, 0, 0, 0. C. 1, 0, 0, ±1/2. D. 1, 1, 1, ±1/2.