ephys ch 3

Question 1

is an arrow line whose length is proportional to certain vector quantity and whose direction indicates the direction of the quantity

Answer 1

vector

Question 2

when a physical quantity is described by a single number

Answer 2

scalar quantity

Question 3

has both magnitude and direction

Answer 3

vector quantity

Question 4

a change in position of an object

Answer 4

displacement

Question 5

same direction, but opposite

Answer 5

antiparallel