In figure 1, starting from the left, what magnetic poles are shown on the two bar magnets?
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Physics, 22.06.2019 07:00
We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?
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The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.
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Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
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Physics, 22.06.2019 13:30
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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