Q. A lead ball is dropped into a lake from a diving board 6.10 above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 4.10 after it is released.
Q. A parallel-plate capacitor has plates of area 0.22 m2 separated by a distance of 0.002 m. What is the strength of the electric field between these plates when this capacitor is connected to a 10-V battery? V/m