Evluate the electrons speed
An electric field of 1.64 kV/m and a magnetic field of 0.495 T act on a moving electron to produce no net force. If the fields are perpendicular to each other, what is the electron's speed?
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The effective coefficient of kinetic friction is 0.40. (a) Calculate the force exerted by the man. (b) Calculate the work done by the man on the piano. (c) Calculate the work done by the friction force. (d) Calculate the work done by the force of
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However, if she gives a medium or easy test, there is a 0.5 probability that her next test will be of the same difficulty and a 0.25 probability for each of the other two levels of difficulty. Construct an appropriate Markov chain and find the ste
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