Centripetal Acceleration

We are given that the block is rotating in a horizontal circle, and the centripetal acceleration is equal to , the acceleration due to gravity. ### Step 1: Formula for Centripetal Acceleration The centripetal acceleration of an object moving in a circle of radius with angular velocity is given by: ### Step 2: Set Centripetal Acceleration Equal to We are told that the centripetal acceleration is equal to , so: ### Step 3: Solve for Angular Velocity Solving for , we get: Thus, the correct answer is: