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

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a. the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

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