Speed, Velocity & Acceleration

Acceleration: is the rate of change in ___________.

• speed
• distance
• velocity 
• displacement 

Tags

NGSS.HS-PS2-1

The SI unit for acceleration is

• mph
• ft/sec²
• m/s²

Tags

NGSS.HS-PS2-1

When are you undergoing an acceleration in a car? 

• speed up
• slow down
• make turns
• All of the above 

Tags

NGSS.HS-PS2-1

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

• 750 seconds
• 35 seconds
• 0.3 seconds
• 3.3 seconds

Tags

NGSS.MS-PS2-2

You are walking in a straight line at a consistent speed. Do you have acceleration? 

• no
• yes 

Tags

NGSS.HS-PS2-1

How much time did it take Matthew to slow down to a complete stop, after traveling at 30 m/s. His acceleration is -12 m/s²

• 2.5 s

• 360 s

• .4 s

• -2.5 s

Tags

NGSS.HS-PS2-1

If Anthony was running for 300 s after starting at rest, what was his final velocity if he had an acceleration of 0.05 m/s²

• .25 m/s

• .01 m/s

• 100 m/s

• 15 m/s

Tags

NGSS.HS-PS2-1

Mars’ gravitational force is less than that of Earth’s . If an astronaut drops a hammer and its speed increases from 0 to 15 m/s in 4.04 s, what is the acceleration due to gravity on Mars?

• 9.8 m/s²

• 0.269 m/s²

• 60.6 m/s²

• 3.71 m/s²

Tags

NGSS.MS-ESS1-2

Bill jogs 400 meters to Andy's house, turns around, and runs 400 meters back home.  He does so in 267 seconds.  What is Bill's average speed?

• about 3 m/s
• about 1.5 m/s
• 0
• about 4 m/s

What is this graph representing?

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

Tags

NGSS.MS-PS3-1