Physics

A car travels 300 km in 6 hours. What is the average speed of the car (km/hr)?

• 50 km/hr

• .02 km/hr

• 600 km/hr

• 1800 km/hr

What is the speed of a jet plane that flies 7200 km in 9 hours (km/hr)?

• 800 km/hr

• .00125 km/hr

• 14,400 km/hr

• 1800 km/hr

A swimmer can swim 1000 m in 400 seconds. What is her average speed in m/s?

• 2.5 m/s

• .4 m/s

• 600 m/s

• 25 m/s

A jogger sprints 100 m in 20 seconds. What is her average speed?

• 5 m/s

• .2 m/s

• 200 m/s

• 500 m/s

What is the average speed of a walker who walks 500 m in 400 seconds?

• 1.25 m/s

• .8 m/s

• 900 m/s

• 2 m/s

A student practicing for a track meet ran 1800 m in 30 minutes . What was her average speed? (m/hr)

• 3600 m/hr

• 60 m/hr

• .0167 m/hr

• 2400 m/hr

Which segment of the line is moving the fastest?

• A

• B

• D

• C

Tags

NGSS.MS-PS3-1

The steeper the line ...

• the slower the speed

• the faster the speed

• the larger the distance

• the shorter the distance

The formula for speed is ...

• distance x time

• time / distance

• distance / time

• distance - time

Tags

NGSS.MS-PS3-1

At what point does the motion become stationary?

• From 0 to 10 hours

• From 10 to 12 hours

• From 12 to 16 hours

• From 0 to 16 hours

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5