At a depth of about 1030. m in the sea the pressure has increased by 100. atmospheres (to about 107 N/m2). By how much has 1 m3 of water been compressed by this pressure? The bulk modulus of water is 2.3 × 109 N/m2
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0.0043 m3
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The Sun is gradually increasing in brightness as it ages. Why isn't this considered to be an explanation for global warming?
A) A change in the Sun's brightness would not be expected to have any effect on Earth's average temperature. B) The scientists are covering up this potentially valid explanation. C) The amount of energy the Earth receives from the Sun remains constant regardless of what the Sun does. D) The Sun is increasing in brightness much too slowly to be causing the current warming.
Process of Science: Name a testable hypothesis from nebular theory that was proven true in observations of extrasolar planets. Does this mean the theory is complete?
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A 120-V rms voltage at 1000 Hz is applied to a resistor and an inductor in series. If the impedance of this circuit is 110 ?, what is the maximum value of the current?
A) 1.54 A B) 1.09 A C) 1.84 A D) 1.04 A E) None of the other answers is correct.
China can benefit from investments in renewable energy sources
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