Unit 1 Test Review 2

Mack was skating to the park. He went 1.5 mi north, west for 0.75 mi, south 3 mi, and east 1.25 mi. What is Mack's total displacement?

• 1.58 mi NW

• 2.5 mi NE

• 1.58 SE

• 1.75 SW

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

Sally is on a train moving at 160 km/hr. If she is on the train for 0.65 hours, how far has she travelled?

• 246 km

• 104 km

• 0.0041 km

Which scenario or scenarios demonstrate acceleration? (Mark all that apply)

• A bicycle skidding to a stop

• A runner taking off from a stop.

• A car taking a corner at a constant speed.

• none of these

A change in velocity over time is known as:

• acceleration
• constant speed
• average speed
• displacement

Tags

CCSS.8.EE.C.7B

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Tags

NGSS.MS-PS3-1

Velocity is both ____ and _____. 

• speed , direction 
• direction, mass
• volume, density 
• direction, magnitude 

Tags

CCSS.HSN.VM.A.1

A quantity that is ignorant of direction is referred to as a

• vector quantity
• scalar quantity

You run from your house to a friend's house that is 3 km away. You then walk home. The distance you traveled is 6 km. What is your displacement? 

• 6  km
• 0 km

A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is 

• 6 m/s/s opposite the motion
• 2m/s/s in the direction of motion
• 8 m/s/s opposite the motion

Tags

NGSS.HS-PS2-1