Objects and Motion

Which runner has the fastest constant speed?

• A

• B

• C

• Not enough information to tell

Tags

NGSS.MS-PS3-1

Why does runner A have the fastest constant speed?

• The line is steeper

• The line is curved

• The line is horizontal

• The line is red

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

speed of an object in a particular direction

• instantaneous speed

• constant speed

• velocity

• average speed

Is a coaster making a turn accelerating?

• Of course.
• Not actually.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

total distance traveled divided by the total time it took to travel that distance.

• instantaneous speed

• constant speed

• velocity

• average speed

rate of change of position in which the same distance is traveled each second

• instantaneous speed

• constant speed

• velocity

• average speed

change in velocity during a period of time

• motion graph

• speed

• velocity

• acceleration

illustrates the speed of an object in motion

• motion graph

• speed

• velocity

• acceleration

Tags

NGSS.MS-PS3-1

distance traveled divided by time

• motion graph

• speed

• velocity

• acceleration