Which technology contains at least one permanent magnet?
A. An electric generator
B. A gasol...
Physics, 04.11.2021 22:00 jc95704816
Which technology contains at least one permanent magnet?
A. An electric generator
B. A gasoline engine
C. An electrical circuit
D. An electromagnet
Answers: 3
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If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star
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Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system
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An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point
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The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
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