Q1. A particle moving uniformly along the x axis is located at 15.6 m at 1.52s and at 4.72m at 3.36s. what is the average velocity during this time interval? Reply in units of m.
Q2. Two equally charged, 1.00 {rm g} spheres are placed with 2.00 {rm cm} between their centers. When released, each begins to accelerate at 225 {rm m/s^2}. What is the magnitude of the charge on each sphere?