+12 A dog runs for 2 seconds without stopping. After 1 second, the dog travels 6 meters. By the end of the next second, the dog has traveled an additional 4 meter. Which best describes the motion of the dog during the two seconds?
a.The dog slows down
b.The dog speeds up
c.The dog moves with a constant speed
d.The dog changes direction
+118687 A dog runs for 2 seconds without stopping. After 1 second, the dog travels 6 meters. By the end of the next second, the dog has traveled an additional 4 meter. Which best describes the motion of the dog during the two seconds?
Velocity is always positive (assuming he is runing in a positive direction) but he runs less far in the second second than in the first so he is slowing down. So the dogs acceleration is in a negative direction. (It is like he is being pulled backwards)
