Average Speed

Total distance divided by total time is

• average speed

• constant speed

• instantaneous speed

• acceleration

Tags

NGSS.MS-PS3-1

Which of the following is the correct formula for calculating speed?

• Speed= force/distance (force divided by distance)

• Speed= mass x acceleration (mass times acceleration)

• Speed = distance/time (distance divided by time)

• Speed = time x energy (time times energy)

Tags

NGSS.MS-PS3-1

Calculate the average speed between 0 and 10 hours.

• 2 km/h

• 3 km/h

• 1 km/h

• 5 km/h

Tags

NGSS.MS-PS3-1

Xavier runs during gym class. He runs 100 meters in 10 seconds. What is his speed in meters per second?

• 15 m/s

• 10 m/s

• 5 m/s

• 12 m/s

At 60 seconds, how far had this object traveled? 

• 0 m

• 10 m

• 20 m

• 40 m

Tags

NGSS.MS-PS3-1

Which line represents an object moving at a faster speed?

• A

• B

Tags

NGSS.MS-PS3-1

What is the speed of an object that travels 60 meters in 4 seconds?

• 240 m/s

• 15 m/s

• 0.067 m/s

• 15 mph

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

The correct equation to calculate speed is

• distance/time

• time/distance

• distance x time

• distance/time²

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

Tags

NGSS.MS-PS3-1