11.2&11.3

Question 0

How instantaneous speed different from average speed?

Answer 0

Instantaneous is measured at a particular instant.

Average is the same the whole trip

Question 1

Speed

Answer 1

Ratio of the distance an object moves to the amount of time the object moves

Question 2

The equation used for calculating average speed is

Answer 2

B=D

Question 3

What type of speed does a cars speedometer display

Answer 3

Instantaneous speed. Shows how fast it’s going

Question 4

The slope of a line on a distance-time graph represents

Answer 4

SPEED

Question 5

How do speed and velocity differ?

Answer 5

Velocity=describes speed and direction

Speed=distance over time

Question 6

Change in velocity

Answer 6

A moving object gains speed
A moving object changes direction
A moving object slows down

Question 7

The rate at which velocity changes is

Answer 7

Excelleration

Question 8

Because acceleration is a quantity that has both magnitude and direction it is an

Answer 8

Vector

Question 9

True or false ? Acceleration is the result of increases or decreases in speed

Answer 9

True

Question 10

Ignoring air resistance, a rock in free fall will have a velocity of ______
After 4.0 seconds

Answer 10

39.2

Question 11

Constant acceleration

Answer 11

Steady change in velocity

Question 12

Write the equation used to calculate the acceleration of an object

Answer 12

vf- vi over total time

Question 13

Tru or false? When the final velocity is less than the initial velocity of an object, the acceleration is negative

Answer 13

Tru

Question 14

The plotted data points representing acceleration in a distance-time graph form a

Answer 14

Curve

Question 15

The measure of how fast a velocity is changing at a specific instant is known as

Answer 15

Instintanious Excelleration