Evaluate the time constant of the circuit
A capacitor of 12 farrads that is charged to a level of 44 volts is attached to a resistor of 13ohms. what is the time constant of this circuit? what will the charge on the capacitor be after 2 units of the time constant?
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A survey of 89 students found that 48% were in favor of raising tution to pave new parking lots. The standard deviation of the sample proprortion is 7.4%. How large a sample (to the nearest person) would be required to reduce this standard deviati
A system is established by combining 50 grams of steam at 100 degrees Celsius with 320 grams of ice at 0 degrees Celsius. What is the temperature of this mixture when the system reaches equilibrium?
At steady state, how many tubes are needed if the velocity in each tube must be less than 20 ft/s? Assume the water is at constant density as it flows throughout the manifold.
A file can have a three-letter suffix (e.g. .txt, .doc). How many different three-letter suffixes are there?
Find the probability that he gets at least 3 emails on a particular day? What is the standard deviation of the number of emails that Tim gets in one day?
A proton moves from a location where V = 69 V to a spot where V = -51 V. (a) What is the change in the proton's kinetic energy?
Substitution and elimination reactions are competing reactions. Under what conditions can you ensure that substitution will predominate and under what conditions can you ensure that elimination will predominate?
Given that z is a standard normal random variable, find z for each situation (to 2 decimals).
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