What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Tags

NGSS.MS-PS3-1

A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Which of the following represents a velocity?

• 40 m
• 40 m north
• 40 m/s
• 40 m/s north

mph is a unit for ... 

• Speed
• Distance
• Time
• Direction

Tags

NGSS.MS-PS3-1

________________ is a unit of speed.

• m/s

• s

• kg

• hr

Tags

NGSS.MS-PS3-1

A turkey runs 50 meters in a straight line, then turns around and runs 20 meters back toward its starting point. The entire motion occurs along the same straight path. What is the displacement?

• 20 meters

• 50 meters

• 30 meters

• 70 meters

A cyclist moves 30 meters north, then 40 meters east. What is the total distance traveled?

• 40 meters

• 50 meters

• 70 meters

• 30 meters

A train moves 200 meters east and then 200 meters west. What is the velocity?

• 200 meters east

• 0 meters

• 200 meters

• 400 meters

A turkey runs 120 meters north in 30 seconds. After a quick rest, it turns and runs 80 meters south in 20 seconds.

• 0.8m/s North

• 0.8m/s South

• 4 m/s South

• 4 m/s North

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which is an example of VELOCITY?

• A dog running at 3 m/s
• A deer sprinting at 4 m/s
• A migrating bird headed south for the winter at 3 m/s
• A person not moving at all