Explain absorption lines of stars are narrower
Two stars have the same temperature, but the absorption lines of one are narrower than the absorption lines of the other. What could be the reason for this?
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A particle with a charge of q = -5.10 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on the particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}. Calculate the x component of the velocity of th
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