Velocity, Acceleration and Motion Graphs Retest

Velocity is both ____ and _____. 

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

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Tags

NGSS.HS-PS2-1

What is the speed of a car that traveled 56 m in 4 seconds?

• 64 m/s
• 34 m/s
• 14 m/s
• 0.0625 m/s

You walk 10 meters to math class in 20 seconds. Your average speed is

• 2 m/s
• 0.5 m/s
• 200 m/s
• 5 m/s

What is happening to the velocity?

• Constant
• Decreasing
• Increasing
• Zero

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

Tags

NGSS.MS-PS2-2

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -7.5 m/s
• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi//hr

Tags

NGSS.MS-PS2-2

Why does a car accelerate as it round a corner at a constant speed?

• Its direction changes
• It doesn't
• It slows down
• Its speeds up  

Tags

NGSS.MS-PS2-2

What car has the fastest acceleration?

• Car goes from 0-60 Mph in 3 seconds
• Car goes from 0-60 Mph in 4 seconds
• Car goes from 0-60 Mph in 5 seconds
• Car goes from 0-60 Mph in 6 seconds

Tags

NGSS.HS-PS2-1

2. Which of the following objects is not changing its velocity?

• A golf ball rolling down a ramp
• A skateboard rolling up a hill
• A cue ball rolling forward at a constant speed
• A marble going around the curve in a track

Tags

NGSS.MS-PS2-2