A15.0-g marble is dropped from rest on the floor 1.44 m below. (a) if the marble bounces straight upward to a height of 0.640 m, what is the magnitude and direction of the impulse delivered to the marble by the floor? (b) if the marble had bounced to a greater height, would the impulse delivered to it have been greater or less than the impulse found in part (a)? explain.

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.

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above