This isn't considered an "accident" in policing circles. Two parked vehicles. It is however the criminal offence of mischief to property (CDN Terminology), however the legal principles are the same as if the same stupid person sat on a piece of art (motorcycle) and it tipped over into a parked vehicle or a window etc. Stupid is criminal liable for the damage. The police will follow up if she doesn't make the victim's happy (bike and car owner), they can charge her criminally and make the repair costs part of the criminal restitution.