Average Speed and Motion

A runner completes a 400-meter lap in 80 seconds. What is the runner's average speed in meters per second?

• 4 m/s

• 5 m/s

• 6 m/s

• 7 m/s

Tags

TEKS.SCI.7.7A

A cyclist travels 200 meters in 25 seconds. What is the average speed of the cyclist in meters per second?

• 6 m/s

• 7 m/s

• 8 m/s

• 9 m/s

Tags

TEKS.SCI.7.7A

A swimmer covers a distance of 100 meters in 50 seconds. Calculate the average speed in meters per second.

• 1 m/s

• 2 m/s

• 3 m/s

• 4 m/s

Tags

TEKS.SCI.7.7A

A bus travels 180 kilometers in 3 hours. What is the average speed of the bus in kilometers per hour?

• 50 km/h

• 55 km/h

• 60 km/h

• 65 km/h

Tags

TEKS.SCI.7.7A

The pace an object travels in a certain amount of time

• speed

• acceleration

• Velocity

• motion

The formula to determine speed is

• change in velocity/change in time

• change in distance/change in time

• time/distance

• distance/time

Tags

NGSS.MS-PS3-1

What is the process of changing position?

• motion

• displacement

• velocity

• speed

What two things do you need to find speed (select both)

• distance

• time

• velocity

• direction

When you change position you are in motion.

• true

• false

What is the starting point used to describe the motion or position of an object?

• starting line

• displacement

• reference point

• velocity