Speed and Motion Formulas

What is the difference between speed and velocity?

• Speed has a direction. Velocity does not.
• Speed describes how fast something is going where as velocity does not.
• Speed is distance over time. Velocity is distance over time in a specific direction.
  
• Speed and velocity describe movement.

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

• 198 m/sec
• 170 m/sec
• 12 m/sec
• 18 m/sec

Calculate the average speed (in miles per hour) of Cassandra who runs a 18 mile marathon in 6 hours.

• 24 m/hr
• 3 m/hr
• 0.333 m/hr
• 12 m/hr

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Calculate the distance (in miles) that Daniel bikes if he maintains an average speed of 26 miles/hr for 7 hours

• 33 miles
• 3.71 miles
• 182 miles
• 676 miles

A bicycle rider travels 100 miles in 4 hours.  What is the cyclist's average speed?

• 400 miles/hr
• 25 miles/hr
• 104 miles/hr
• .025 miles/hr

How much time would it take for the sound of thunder to travel 8000 meters if sound travels a speed of 330 meters per second?

• 24.24 seconds
• 24,000 seconds
• 3 seconds
• 2.4 seconds

A cricket can travel approximately 8 feet per minute.  How many feet could a cricket travel in 75 minutes?

• 83 feet
• 9.375 feet
• 180 feet
• 600 feet

A truck driver traveled 720 miles in 12 hours. He drove from California to Georgia.  What was the truck driver's velocity?

• 60 miles/hour North
• 75 miles/hour West
• 60 miles/hour East
• 60 miles/hour

James walked 14 miles at an average speed of 4 miles/hour.  How long did it take him to walk 14 miles?

• 18 hours
• 3.5 hours
• 18,000 minutes
• 3.5 seconds

A bee can fly at an average rate of 7 miles/hour.  If a bee flew nonstop for 18 hours, how far will it have traveled?

• 126 miles
• 25 meters
• 25 miles
• 0.38 miles/hour