When a toilet is flushed or a sink is drained, the water (and other material) begins to rotate about the drain on the way down. assuming no initial rotation and a flow initially directly straight toward the drain, explain what causes the rotation and which direction it has in the northern hemisphere. (note that this is a small effect and in most toilets the rotation is caused by directional water jets.) would the direction of rotation reverse if water were forced up the drain?

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

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 many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7