Of the following mesons, which is its own antiparticle?
a. K– b. ?
c. ?+ d. none of those given
b
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A long straight metal rod has a radius of 2.0 mm and a surface charge of density 0.40 nC/m2 . Determine the magnitude of the electric field 3.0 mm from the axis
a. 18 N/C b. 23 N/C c. 30 N/C d. 15 N/C e. 60 N/C
The temperature at the bottom of Lake Tahoe, high in the Sierra Mountains in California, at this moment is
A) below 4°C. B) 4°C. C) above 4°C. D) uncertain.
If distance from the Sun were the only factor affecting surface habitability, which of the following would be habitable?
A) the Moon B) Venus C) Mercury D) all of these
A particle with a charge of 4.0 ?C has a mass of 5.0 × 10-3 kg. What electric field directed upward will exactly balance the weight of the particle?
A) 4.1 × 102 N/C B) 8.2 × 102 N/C C) 4.4 × 104 N/C D) 1.2 × 104 N/C E) 5.1 × 106 N/C