Question

Whether the experiment in which an RC circuit is used to measure air speed of a bullet between two fixed positions separated by a distance x of a meter as shown below. Prior to dissipate the bullet loading the condesador capacity 10-6 F with a battery voltage V0 = 10V. The bullet breaks the circuit in the contact A (in bold), and disconnects the battery causing the capacitor to discharge through resistor 0.5M ohms. If the potential difference of 4.5 V between the plates condesador when rupturing the second contact B (the capacitor stops discharging), determines the speed v of the bullet.

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Answer 1

CRL - - toe -t