Finding Acceleration and Speed

If you drive for 2 hours and travel 120 km. What was your average speed.

• 60

• 60 km/h

• 0.017km/h

• 2 hours

You roll a tennis ball a distance of 18 meters it takes 6 seconds to cover the distance. What is the average speed of the tennis ball?

• 3 km/s

• 6 m/s

• 3

• 3 m/s

A car travels 120 miles in 3 hours. What is the average speed of the car?

• .40 km/s

• 40 mi/hr

• 360 miles

• 40 m/s

The captain decides to show the team how it's done. He rows 2 km in 7 min. What's his speed?

• 14 m/s

• 0.29 m/s

• 0.21 m/s

• 4.76 m/s

The team of 8 rowers row 500 m in 180 s. If they keep going at the same speed, how long does it take them to row 2 km?

• 2.78 s

• 12 min

• 755 s

• 90000 s

Which of the following is an acceptable velocity measurement?

• 25 m/s North

• 25 m/s

• 25 m

• 25 m North

An object travels 100 m North then 50 m South. What is its total displacement?

• 150 m

• 50 m North

• 50 m South

• 150 m North

A runner runs 2 laps around a track with a circumference of 400 m. What is their total displacement?

• 800 m

• 0

• 400 m

• 400 m North

Which graph shows an object at rest?

• A

• B

• C

• D

Which graph shows an object moving forward at a constant speed?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-1