A RC circuit consists of a series connection of a 120-V source, a switch, a 34-M? resistor and a 15-?F capacitor. The circuit is used in estimating the speed of a horse running a 4 km racetrack. The switch closes when the horse begins and opens when the horse crosses the finish line. Assuming that the capacitor charges to 85.6 V, calculate the speed of the horse.
What will be an ideal response?
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