14 A demonstration helps students understand a principle of roller coaster design. Which answer choice correctly describes the ball's kinelic and potential energy? F The ball has more potential energy at position X than at position Z. G The ball has more kinetic energy at position Y than at position W. H The potential energy and kinetic energy of the ball are equal at position X. The potential energy and kinetic energy of the ball are greatest at position Z.​

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.

How is the gravitational force related to the distance between two objects?

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?