Position-Time

Which runner had a head start?

• A
• B
• C

Describe the motion

• Slow to fast; Negative direction

• Fast to slow; Negative direction

• Fast to slow; Positive direction

• Slow to fast; Positive direction

from 3rd second to 5th second, the object is

• moving at a constant speed

• speeding up

• not moving

• slowing down

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

On a distance vs. time graph, the steeper the slope _____

• the slower the speed
• the faster the speed
• less acceleration
• greater acceleration

What is happening at E?

• Stationary

• Accelerating

• Fast steady speed; moving away from the starting position

• Steady speed; returning to start position

Tags

NGSS.HS-PS2-1

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

• 20 s
• 30 s
• 60 s
• 100 s

The speed of the object is changing during interval:

• A-B
• B-C
• C-D
• D-E

Tags

NGSS.HS-PS2-1

What is happening in this graph from point B to C?

• The object is going down a hill.

• The object is returning to its starting location.

• The object is slowing down.

• The object is staying still.

Tags

NGSS.MS-PS3-1

From t=1.0 second to t=3.0 seconds, the object is

• moving at a constant speed

• speeding up

• not moving

• slowing down