(10%) Problem 8: A positively charged particle Q1=25 nC is held fixed at the origin. A negatively charged particle Q2 = -12 nC of mass m = 4.5 g is located a distance d = 45 cm along the positive x- axis from the positively charged particle. Q A 33% Part (a) What is the magnitude of the electric force, Fin newtons, that acts on the charge Q? H F12= sin cos tan TU 7 8 9 HONE cotan asn acos E 4 5 6 atan acotan sinh 1 2 3 cosh tanh cotanh 1+ 0 Degrees Radians Submit Hint I give up! 33% Part (b) What is the direction of the force on charge Q? A 33% Part (c) What is the magnitude of the acceleration, a in m/s, experienced by charge ? Q d