Electron moves at right angles to magnetic field
An electron moves at right angles to a magnetic field of 0.10 . What is its speed if the force exerted on it is 8.7×10-15 ?
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A foreman for an injection-molding firm admits that on 11% of his shifts, he forgets to shut off the injection machine on his line. This causes the machine to overheat, increasing the probability that a defective molding will be produced during th
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Calculate the thermal efficiency based on the net work and the heat addition. (Check to make sure that it matches the Carnot efficiency)
A certain transition metal compound contains a cobalt ion ofunknown valence, ligands of water molecules, and chloride ions thatserve as counter ions. Consider a 0.256 gram sample of thetansition metal. filtered, dried and weighed, amounting to 0.3
If the lateral surface of the bar is confined and not allowed to contract during loading, find the force that is needed to produce a 1% longitudinal strain. Compare this with the corresponding load for the bar under simple tension.
H2S (aq) can be analyzed by titration with coulometrically generated I2. H2S + I2 --> S(s) + 2H+ + 2I- To 50.00 mL of sample were added 4 g of KI. Electrolysis required 812 s at 52.6 mA. Calculate the concentration of H2S (microgram/mL) in the
Suppose the service time, in minutes, at a bank has the Exponential distribution with lambda = 1/2. Use the central limit theorem to estimate the probability that the average service time of the first n customers is less than 2.5 minutes, when: a.
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