A uniform ring of charge sits in the yz-plane with it center…

A uniform ring of charge sits in the yz-plane with it center on the origin. The ring has a 16 cm radius and an 80 μC{“version”:”1.1″,”math”:”80 μC”} charge. What is the force on a -30 μC{“version”:”1.1″,”math”:”-30 μC”} point charge at (25 cm, 0, 0) due to the ring?