Reactance: A 0.10-?F capacitor is connected to a 120-V rms 60-Hz source.(a) What is its capacitive reactance?(b) What is the rms current to the capacitor?(c) If both the capacitance and the frequency were doubled, what would be the rms current?
What will be an ideal response?
(a) 27 k? (b) 4.5 mA (c) 18 mA
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A radioactive isotope of atomic number Z emits a beta-minus particle, and then the daughter nucleus emits a gamma ray. What is the atomic number of the resulting nucleus after both processes?
A) Z - 3 B) Z + 1 C) Z - 2 D) Z - 1
What is the difference between the proton-proton chain and the CNO cycle?
What will be an ideal response?
Measured densities of extrasolar planets range from ________
A) water to iron B) styrofoam to iron C) styrofoam to water
A proton initially moves left to right long the x axis at a speed of 2.00 × 10^3 m/s. It moves into an electric field, which points in the negative x direction, and travels a distance of 0.300 m before coming to rest. If the proton's mass and charge are 1.67 × 10^-27 kg and 1.60 × 10^-19 C, respectively, what is the magnitude of the electric field?
a. 13.9 N/C c. 28.3 N/C b. 0.0696 N/C d. 0.104 N/C