MOTION REVIEW

VOCAB

100

Distance

The measured amount an object has traveled. 

200

Average Speed

Total distance divided by total time

300

Instantaneous Speed 

The speed or velocity in that given instant

400

A straight diagonal line going DOWN on a distance vs. time graph means the object is ________

Moving backwards, constant-negative

500

Displacement

Measured distance from starting to ending point

CONVERT

100

2000mg = ______ g

2g

200

5 L = _______mL

5000mL

300

8mm = _____ cm

.8cm

400

COMPARE USING <,>,=

63cm ____ 6m

<

500

COMPARE USING <,>,=

1,500mL _____ 1.5L

=

ACCELERATION

100

A car's initial speed is 5m/s.  It takes the car 5 seconds to get up its final speed of 25 m/s.  What is the acceleration of the car?

4m/s²

200

A skateboarder traveling at 7.0 meters per second rolls to a stop at the top of a ramp in 3.0 seconds. What is the skateboarder’s acceleration?

-2.3m/s²

300

A helicopter’s speed increases from 25 m/s to 60 m/s in 5 seconds. What is the acceleration of this helicopter?

7m/s²

400

After traveling for 6.0 seconds, a runner reaches a speed of 10 m/s. What is the runner’s acceleration?

1.7m/s²

500

A cart rolling down an incline for 5.0 seconds has an acceleration of 4.0 m/s2. If the cart has a beginning speed of 2.0 m/s, what is its final speed?

V_f= 22m/s

SPEED

100

What is the speed of a jet plane that travels 600 miles in 10 seconds?

60mi/s

200

What is the speed of a rocket that travels 6500 meters in 30 seconds?

216.7m/s

300

How many seconds will it take for a satellite to travel 450000 m at a rate of 120 m/s?

3,750seconds

400

How far (in meters) will you travel in 180 seconds running at a rate of 6 m/s?

1,080meters

500

After an impact involving a non-functioning satellite, a paint chip leaves the surface of the satellite at a speed of 96 m/s. After 17 seconds, how far has the chip landed?

1,632meters

D vs D

100

Michael walked 20m north, turned 180 degrees and walked 20m back. 

Distance?

Displacement?

Distance is 40m

Displacement is 0

200

Lauren walked 100km to the store. Then she left the store and walked 50km to her grandmas house.

Distance?

Displacement?

Distance is 150km

Displacement is 50km

300

The track team leaves the school and runs 5 miles forward. They stop for a water break and run back to the school.

Distance?

Displacement?

Distance is 10miles

Displacement is 0

400

Tom walks 20ft north mowing his yard. Then he turns around and walks 30ft south mowing his yard. 

Distance:

Displacement:

Distance: 50ft

Displacement: 10ft south

500

Ashley walks her dog around her neighborhood. She starts at her house and walks 2.5miles. She ends back up at her house. Her neighborhood looks like a circle.

Distance:

Displacement:

Distance is 5miles

Displacement is 0