Describing Motion
Acceleration
Vocab
Calculate
Displacement and momentum
100
How far an object has moved
distance
100

A motorcycle traveling south with a velocity of 30 m/s speeds up to a velocity of 80 m/s within 10 s. What is the motorcycle's acceleration?

5m/s squared
100

How fast something is moving is its

Speed
100
Mariam 40 m in 4.5 s. What was his speed?
8.8 m/s
100
A person runs 100 North and Turns and runs 20m. What is the distance and displacement?
Distance= 120m

Displacment = 80m North

200
This is needed to determine the position of an object
reference point
200

A car goes from 16 m/s to 2 m/s in 3.5 s. What is the car's acceleration?

-4m/s squared
200

The speed and direction of an object is its

Velocity
200
A car traveled 200 kilometers West in 2.5 hours. What was its average velocity?
 80 km/h West
200

What is the momentum of a car with a mass of 1,300 kg traveling north at a speed of 28 m/s?

36400 kg.m/s2
300
This is the speed and direction of a moving object
What is velocity
300

An airplane starts at rest and accelerates down the runway for 20 s. At the end of the runway, its velocity is 80 m/s north. What is its acceleration?

4m/s squared
300

A horizontal line on a distance-time graph means this...

the object is not moving
300

A motorcycle is moving at a constant speed of 40 km/h. How long does it take the motorcycle to travel a distance of 10 km?

0.25 hrs
300
If you walked 50 m from your desk to your locker then back, what would be your distance and displacement?
Distance= 100m. Displacement= 0m
400
This is the distance and direction of an object's change in position from the starting point
What is displacement
400

A cyclist starts at rest and accelerates at 0.5 m/s2 south for 20 s. What is the cyclist’s final velocity?

10m/s south
400
The product of an objects mass and velocity is called
Momentum
400
A person walking covers 5.20 m in 10.4 s. How fast is the person moving?
What is .5 m/s
400

A baseball has a momentum of 6.0 kg·m/s south and a mass of 0.15 kg. What is the baseball’s velocity?

40m/s south
500
This is the equation used to calculate speed
What is speed=distance/time
500

A ball is dropped and falls with an acceleration of 9.8 m/s2 downward. It hits the ground with a velocity of 49 m/s downward. How long did it take the ball to fall to the ground?

5s
500
The final velocity - initial velocity divided by time is
acceleration
500

A long-distance runner is running at a constant speed of 5 m/s.

How long does it take the runner to travel 1 km?

20s
500

Find the mass of a person walking west at a speed of 0.8 m/s with a momentum of 52.0 kg·m/s west.

65kg
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