R.I. Gen. Laws § 11-44-23: Throwing objects at police officer, firefighter or police or fire vehicles.

Every person who shall willfully throw, shoot, or in any other manner propel a rock or any other object at any police officer, firefighter, or any police or fire vehicle, whether moving or not, shall, upon conviction, be punished by a fine not exceeding five hundred dollars ($500) or by imprisonment not exceeding one year, or both.