Speed & Velocity

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

Suppose you are running at 8 mph for a race but then encounter a nice downhill. Which of the following is a likely instant speed during any part of the downhill portion of the race?

• 0 mph

• 8 mph

• 9.5 mph

• 7 mph

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

A high speed power tool known as a floor burnisher is used to give floors a nice luster (soft glow). This tool contains an abrasive pad that rotates at 2000 rpm clockwise, which is an example of a ___________.

• distance

• acceleration

• speed

• velocity

Tags

NGSS.MS-PS3-1

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

• speed

• velocity

• acceleration

• position

Tags

NGSS.MS-PS3-1

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 getting faster?

• A only

• B only

• A and C

• D

• C and D

Tags

NGSS.MS-PS3-1

Which section shows an object decreasing in speed?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1

What is the average speed for the first section of the graph?

• 0 km/h

• 30 km/h

• 15 km/h

• -15 km/h

Tags

NGSS.MS-PS3-1