Question 17 of 17 - 12 View Policies Current Attempt in Progress When a man on a frictionless rotating stool extends his arms horizontally, his rotational kinetic energy: O must increase O must decrease O must remain the same may increase or decrease depending on his initial angular velocity O may increase or decrease depending on his angular acceleration Save for Later Attempts: 0 of 5 used Subn Using multiple attempts will impact your score. 10% score reduction after attempt 3