Eclipsing binaries are the most useful, giving us sizes as well as masses of the pair
Indicate whether the statement is true or false
TRUE
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The outer core is
A) rock. B) plastic. C) liquid. D) the source for volcanoes.
The Sun exerts almost 200 times more force on the oceans of the Earth than the Moon does. Why then, is the Moon more effective in raising tides?
What will be an ideal response?
A 0.200-H inductor is connected to a 60.0-Hz 120-V rms source. (a) What is the inductive reactance? (b) What is the rms current to the inductor? (c) If both the inductance and the frequency were doubled, what would be the rms current?
What will be an ideal response?
A small refrigerator freezer, 16 in x 16 in x 18 in outer dimensions, has an inside surface temperature of 10ºF and an outside surface temperature of 80ºF. If the walls are uniformly 3 inches thick, homogeneous, and with thermal properties the same as Styrofoam, estimate the heat transfer through the walls and door of the refrigerator.
What will be an ideal response?