Average Speed and Velocity

What is the difference between instantaneous speed and average speed?

• Average speed happens in a particular instant, Instantaneous speed is the speed of an object over a longer period of time.

• Instantaneous speed is never right, average speed is always right

• Instantaneous speed happens in a particular instant, Average speed is the speed of an object over a longer period of time.

• Do not pick this answer

________________ is a unit of speed.

• m/s

• s

• kg

• hr

Tags

NGSS.MS-PS3-1

Velocity is both ____ and _____. 

• speed , direction 

• direction, mass

• volume, density 

• direction, magnitude 

How long was a car traveling if it went 90 miles at a speed of 45 mi/hr?

• 1 hour

• 2 hours

• 3 hours

• 4 hours

Distance divided by time is how this is calculated.

• Average Speed

• Instant Speed

• Acceleration

• Velocity

Suppose you walked 80 meters in 40 seconds. What is your average speed?

• 80 n/s

• 2 m/s

• 1 m/s

• 0.5 m/s

How fast an object is traveling in a certain direction is the definition of __________.

• speed

• velocity

• acceleration

• position

If you are jogging and your speed doesn't change, then you are traveling at a ____________ speed.

• constant

• instant

• slow

• fast

On a distance-time graph, slope is used to calculate

• average speed.

• instant speed.

• instant velocity.

• acceleration.

Which section shows an object decreasing in speed?

• A

• B

• C

• D