The center of the Earth is made of

A) solid iron and nickel
B) liquid iron and nickel
C) liquid rock
D) solid rock


A

Physics & Space Science

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Spectroscopic parallax denotes the apparent shift in the position of a star when observed form different positions of a source

Indicate whether the statement is true or false

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To send a beam laser-light beam to a space station just above the atmosphere near the horizon, aim your laser

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A 200-? resistor, a 25-mH inductor, and a capacitor are connected in series across an ac voltage source at 1000 Hz. If the impedance of this circuit is 240 ?, what is the value of the capacitor?

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The length and width of a rectangle are 1.125 m and 0.606 m, respectively. You calculate the rectangle's perimeter by adding these numbers and multiplying by two. Your calculator's display reads 3.462

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Physics & Space Science