Initial current through the resistor
A 1.06 x 10-3 µF capacitor has an initial charge of 0.100 C. When a resistor is connected across the capacitor plates, there is an initial current through the resistor of 1.05 A. What is the current 1.03 s later?
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How many people must be surveyed if we want to estimate the percentage who weigh more than 180 pounds? Assume that we want 96% confidence that the error is no more than 4 percentage points.
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A study was conducted to examine the relationship between the cost structure and the mechanical properties of equiaxed grains in unidirectionally solidified ingots.
Suppose that a 10-mL sample of a solution is to be tested for Cl- ion by addition of 1 drop (0.2mL) of 0.10 M AgNO3. What is the minimum number of grams of Cl- that must be present in order for AgCl(s) to form?
A skier slides horizontally along the snow for a distance of 23 m before coming to rest. The coefficient of kinetic friction between the skier and the snow is µk = 0.030. Initially, how fast was the skier going?
Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu. Assume that the population has a normal distribution.
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