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Q.A car traveling 85 is 130 behind a truck traveling 72 . How long will it take the car to catch up with the truck in secs?

Q. A small object with a mass of 430 mg carries a charge of 40.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 5.00 cm. If the thread makes an angle of 12.0° with the vertical, what is the potential difference between the plates.

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