A massless spring is attached to a support at one end and has a 2.0 uC charge glued to the other end. A -4.0 uC charge is slowly brought near. The spring has stretched 1.2 cm when the charges are 2.4 cm apart. Part A What is the spring constant of the spring? Express your answer with the appropriate units. CHÅR ? k = 1.04 • 104 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide Feedback