Can someone please help me with this ! Mary used a bat to swing at a baseball that was moving toward her. She hit the baseball and it traveled in the opposite direction, right out of the park. Mary used a bat to swing at a baseball that was moving toward her. She hit the baseball and it traveled in the opposite direction, right out of the park. Mary used a bat to swing at a baseball that was moving toward her. She hit the baseball and it traveled in the opposite direction, right out of the park. Using these words : cause, effect, collision, force velocity