Physics 1-2 1st Quarterly Review

The speedometer on your car tells you

• average velocity
• instantaneous velocity
• average speed
• instantaneous speed

What is this graph representing?

• Constant Speed
• Acceleration (speeding up)
• Deceleration (slowing down)
• No motion

Tags

NGSS.MS-PS3-1

What is the displacement of this object?

• 0 m

• 40 m

• 80 m

• 100 m

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.

• All of these are correct

When is this object moving the fastest?

• From O to A

• From A to B

• From B to C

• From D to E

A person runs around the school track traveling 400 meters in 80 seconds. If she ends up back at the starting point of the race, what was her velocity?

• 0 m/s

• 5 m/s

• 20 m/s

• 100 m/s

An acceleration can occur if an object...

• Increases its speed

• Decreases its speed

• Changes its direction

• All of these are correct

A quantity that is has magnitude and  direction is referred to as a

• vector quantity
• scalar quantity

A dog running with an initial speed of 7.5 m/s comes to a stop in 15 seconds. What is the dog's acceleration?

• -7.5 m/s

• -7.5 m/s²

• -0.5 m/s²

• 7.5 mi//hr

A car traveling at a speed of 20.0 m/s increases its speed to 30.0 m/s in 5.0 seconds. What is the acceleration of the car?

• -2 m/s/s

• 2 m/s/s

• -0.5 m/s/s

• 0.5 m/s/s

Tags

NGSS.HS-PS2-1