1-D Motion

The average speed of this object between points C and D is

• .375 km/s
• .375 m/s
• 2.67 km/s
• 2.67 m/s

Tags

NGSS.MS-PS3-1

The average speed between 4 and 16 seconds is?

• 5.2 km/s
• .192 m/s
• .181 km/s
• 5.5 km/s

Tags

NGSS.MS-PS3-1

A change in velocity over time is

• Scalar
• Speed
• Acceleration
• Motion

Which is an example of zero acceleration?

• A merri-go-round moving at a constant rate
• A car coming to a stop
• A boat speeding up
• A person running on a treadmill at a rate of 6 MPH

Tags

NGSS.HS-PS2-1

Which graph shows an object not moving?

• A
• B
• C
• D

Which graph shows an object moving at a constant rate?

• A
• B
• D
• E

Which graph shows an object increasing speed?

• A
• B
• D
• E

Tags

NGSS.MS-PS3-1

Which graph shows an object slowing down?

• A
• B
• C
• E

Tags

NGSS.HS-PS2-1

Morgan walks 10 miles South. Trevor walks 10 miles North in the same amount of time.  They have:

• Different average speeds
• Different velocities
• Same velocity
• Same motion

A car starts from a stoplight and is traveling with a velocity of 10 m/sec east in 20 seconds.  What is the acceleration of the car?

• .5 m/s/s
• .5 m/s
• 2 m/s/s
• 2 m/s

Tags

NGSS.HS-PS2-1