Physical Science Semester Exam Review

On a position vs. time graph, what does the x (horizontal) axis represent?

• Position

• Time

• Velocity

• Acceleration

On a position vs time graph, what does the y (vertical) axis represent?

• Position

• Time

• Velocity

• Acceleration

On this graph, what is the object's starting position (position at time t=0)?

• 0 m

• 10 m

• 20 m

• 60 m

On this graph, during what time period does the object have positive velocity?

• 0 - 1 s

• 3 - 5 s

• 4.5 - 6 s

• 1 - 3 s

On this graph, during what time period does the object have negative velocity?

• 0 - 1 s

• 3 - 5 s

• 4.5 - 6 s

• 1 - 3 s

On this graph, during what time period is the object not moving?

• 0 - 1 s

• 0-6 s

• 4.5 - 6 s

• 1 - 3 s

On this graph, what is the object's position at time t=3 seconds?

• 0 m

• 10 m

• 20 m

• 60 m

Does the object's velocity change at any time during the time period shown on the graph?

• Yes

• No

• There is not enough information to tell

What is the object's velocity during the 1 - 3 second time interval?

• 20 m/s

• 0 m/s

• 40 m/s

Under which of the following conditions is the object NOT accelerating?

• When it's speeding up

• When it's slowing down

• When it's changing direction

• When it's moving at a constant velocity