Given the equation p2 = a3, what is the orbital period, in years, for the planet saturn? (saturn is located 9.5 au from the sun.) 5 years 29 years 229 years 500 years

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples