1-D Motion and Projectile Motion

During which interval is the object not moving?

• B to C
• C to D
• D to E
• only at point A

Acceleration occurs when an object changes its speed or ______.

• direction
• force
• inertia
• mass

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

Acceleration: is the rate of change in ___________.

• speed
• distance
• velocity 
• displacement 

The graph shows

• positive velocity that's getting faster

• negative velocity that's getting faster

• negative velocity that's getting slower

• positive velocity that's getting slower

The graph shows

• positive velocity that's getting faster

• negative velocity that's getting faster

• negative velocity that's getting slower

• positive velocity that's getting slower

The graph shows

• positive velocity that's getting faster

• negative velocity that's getting faster

• negative velocity that's getting slower

• positive velocity that's getting slower

The graph shows... (Select all that apply)

• positive acceleration

• negative acceleration

• constant acceleration

• increasing acceleration