U Question 2
2 pts
Mr. Kim is slowing down on his skateboard. He starts at a speed of 5.5
m/s and slows to 1.0 m/s over a time of 3 seconds. What is Mr. Kim's
acceleration?
0-13.5 m/s2
O -1.5 m/s2
-1.5 m/s
O -4.5 m/s2
Previous

Forensic anthropologists: a. apply anthropological techniques to legal matters. b. are primarily concerned with the recovery of material culture remains. c. examine the relationships between medical treatment and culturally determined views of disease. d. study disease and trauma in ancient populations. e. study nonhuman primates.

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this