Which ball (if either) has the greatest speed at the moment of impact

Lin yao looks at the back of a spoon. how should she describe her reflection? upside down and smaller upside down and larger right-side up and smaller right-side up and larger

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

Which atomic model was proposed as a result of j. j. thomson’s work?