A star may undergo two or more red giant expansion stages
Indicate whether the statement is true or false
TRUE
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RLC Circuits: A 120-V rms voltage at 1.0 kHz is applied to a 2.0-mH inductor, a 4.0-?F capacitor and a resistor. If the rms value of the current in this circuit is 0.40 A, what is the value of the resistor?
A. 300 ? B. 95 ? C. 420 ? D. 120 ? E. 240 ?
The speed of an Earth satellite does NOT depend on its
A) distance from Earth. B) mass. C) but it depends on both D) it depends on neither
These are found on the side of the Moon that faces Earth, but not on the far side
A) Highlands B) Maria C) Craters D) Mountains E) Valleys
The microwave in the kitchen has a label that indicates it produces its microwaves at a frequency of 2450 MHz. What is the energy associated with one of these microwave photons? (h = 6.63 × 10^?34 J?s)
a. 3.19 × 10^–2 eV b. 2.45 eV c. 1.02 × 10^–5 eV d. 1.62 eV