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1) What is the current I1?
A. -6.0 mA B. 2.0 mA C. 6.0 mA D. 2.0 A
2) What is the voltage across the 1.0-kOhms resistor?
A. 2.0 V B. 4.0 V C. 6.0 V D. 12.0 V
Physics, Academics
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Describe the effect on speed, frequency, and wavelength of a sound traveling from warm to cold air. (hint:cold air is more dense than warm air).
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