Question: An astronaut holds two small aluminum spheres, each having mass 0.0210 kg , 75.5 cm apart. Each s... An astronaut holds two small aluminum spheres, each having mass 0.0210 kg , 75.5 cm apart. Each sphere carries a charge of +4.00 µC .
a. What is the repulsive force between the spheres?
b. What is the acceleration of each sphere the moment after the astronaut releases them?