In an nmr experiment, the rf source oscillates at 38 mhz and the magnetic resonance of the hydrogen atoms in the sample being investigated occurs when the external field has magnitude 0.75 t. assume that the internal and external magnetic fields are both along a z axis, with the external field in the positive direction, and take the proton magnetic moment component μz to be 2.30 × 10-26 j/t. what is the z component of the internal magnetic field?
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According to social exchange theory, altruistic behaviors benefit the individual who performs them.
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Which of these is constant for all types of electromagnetic radiation in a vacuum? select one: a. wavelength b. frequency c. photon energy d. amplitude e. velocity
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Physics, 22.06.2019 20:50
The second largest public utility in the nation is the sole provider of electricity in 32 counties of southern florida. to meet the monthly demand for electricity in these counties, which is given by the inverse demand function p = 1,200 – 4q, the utility company has set up two electric generating facilities: q1 kilowatts are produced at facility 1, and q2 kilowatts are produced at facility 2 (so q = q1 + q2). the costs of producing electricity at each facility are given by c1(q1) = 8,000 + 6q12 and c2(q2) = 6,000 + 3q22, respectively. determine the profit-maximizing amounts of electricity to produce at the two facilities, the optimal price, and the utility company’s profit
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Physics, 22.06.2019 21:30
Contrast the force of gravity between these pairs of objects: 1-kg mass and a 2-kg mass that are 1 m apart; a 1-kg mass and a 2-kg mass that are 2 m apart; and two 2=kg masses that are 1 m apart. i dont understand.
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In an nmr experiment, the rf source oscillates at 38 mhz and the magnetic resonance of the hydrogen...
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