What is the speed of each ball as it strikes the ground?, Ask an Expert

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Q. A 10 microfarad capacitor is charged to a potential difference of 600 V we connect its terminals to those of an uncharged 5 microfarad capacitor. find the final charge of the system and the final potential difference across each capacitor.

Q. Two students are on a balcony 21.0 m above the street. One student throws a ball (ball 1) vertically downward at 10.0 m/s; at the same instant, the other student throws a ball (ball 2) vertically upward at the same speed. The second ball just misses the balcony on the way down. What is the difference in the two ball's time in the air?What is the velocity of each ball as it strikes the ground? How far apart are the balls 0.700 s after they are thrown?

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