関連ワード:  speed is a vector quantity true or false    velocity is a vector quantity true or false    speed 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    speed is not a vector quantity true or false    velocity is a scalar quantity true or false    average velocity is a vector quantity true or false    speed is not a scalar quantity. true false    speed is a scalar physical quantity true or false  
結果 : speed is a vector quantity true or false