Electric Potential Energy Practice Problems
A point charge q = -2.80 μC has a fixed position. A tiny ball of mass 8.00 g is charged Q = -6.20 μC and shot toward the point charge. When the ball is 75 cm from the point charge, its speed is 17.0 m/s. What is the speed of the ball when it is 35 cm from the point charge? Treat the ball as a point charge and ignore weight.
In an attempt to merge two hydrogen ions into a single atom, the separation of the ions is changed slowly from 1.1 × 10-11 m to 2.0 × 10-15 m. a) Calculate the work done in changing the separation. b) The ions slip from rest and start moving away from each other. What's their speed when the separation is 1.1 × 10-11 m?
Two electrons have a separation of 1.20 nm. They are both released simultaneously such that they are free to move. Determine the greatest acceleration and specify when it is observed.
A linear particle accelerator accelerates two hydrogen ions to equal speeds toward each other. If the speed at infinite separation is 6.2 × 105 m/s, determine the greatest electric force the two ions will exert on each other.