関連ワード:  velocity is a vector quantity true or false    speed is a vector quantity true or false    velocity is a scalar quantity true or false    average velocity is a vector quantity true or false    angular velocity is a vector quantity true or false    velocity is a vector physical quantity true or false    speed is a scalar quantity true or false    angular velocity is a scalar quantity true or false    average speed is a vector quantity true or false    uniform speed is a vector quantity true or false  
結果 : velocity is a vector quantity true or false