CHAP 1 DESCRIBING MOTION

Question 1

Reference point

Answer 1

The starting point you chose to describe the location, or position, of an object.

Question 2

Position

Answer 2

An object´s distance and direction from a reference point.

Question 3

Motion

Answer 3

The process of changing position.

Question 4

Displacement

Answer 4

The difference between the initial position and the final position of an object.

Question 5

Speed

Answer 5

The Measure of the distance and object travels per unit of time.

Question 6

Constant Speed

Answer 6

The rate of change of a position which is the same distance traveled each second.

Question 7

Instantaneous Speed

Answer 7

Speed at a specific instance in time.

Question 8

Average Speed

Answer 8

The total distance traveled divided by the total time taken to travel that distance.

Question 9

Velocity

Answer 9

The speed and direction of a moving object.

Question 10

Acceleration

Answer 10

The measure of the change in velocity during a period in time

Question 11

Solving for Acceleration

Answer 11

Acceleration is the final speed minus the initial speed divided by the total time.