Speed Quiz!

Bob ran the 50 meter dash. It took him 6.3 seconds. What was his average speed in meters/second?

• 7.9 m/s

• 0.1 m/s

• 50 m/s

Tags

NGSS.MS-PS3-1

A snowboarder was in a competition. It took her 53 seconds to ride down a 75 meter hill. What was her average speed in meters per second?

• 0.7 m/s

• 53 m/s

• 1.4 m/s

Tags

NGSS.MS-PS3-1

Total distance divided by total time is

• average speed

• constant speed

• acceleration

The correct equation to calculate speed is

• distance/time

• time/distance

• distance/time²

Tags

NGSS.MS-PS3-1

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

Tags

NGSS.MS-PS3-1

What two measurements are necessary for calculating speed?

• Mass and time

• Temperature and mass

• Distance and time

Tags

NGSS.MS-PS3-1

How can you tell if something is moving? 

• compare it with a reference point
• compare it with moving object

An object is _____ if its position changes relative to another object.

• in motion

• at rest

• magical

A place or object used for comparison to determine if another object is in motion is called a

• point of view

• reference point

• motion detector

Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.

• 12 m/s

• 170 m/s

• 18 m/s