motion graphs

On a position-time graph, a horizontal line means

• the object is at rest

• the object is moving fast

• the object is moving backward

• it is not realistic to have a horizontal line.

Which runner had a head start?

• A
• B
• C

Tags

CCSS.8.EE.B.5

What is happening at E?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Steady speed; returning to start position

Tags

NGSS.MS-PS3-1

How long did it take this object to travel back to its reference/starting point?

• 20 s
• 30 s
• 60 s
• 100 s

From point O to Point A the velocity is

• Increasing
• Decreasing 
• Constant

From point A to Point B the velocity is

• Increasing
• Decreasing 
• Constant

Tags

NGSS.MS-PS3-1

Which graph represents the greatest acceleration?

• A
• B
• C
• D

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

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

• 750 seconds
• 35 seconds
• 0.3 seconds
• 3.3 seconds