Homework due August 18

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Can be measured in meters per second (m/s)

• Distance
• Time
• Speed
• Acceleration

Tags

NGSS.HS-PS4-1

What is velocity?

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

When a car goes around a corner at 20 mph, why do we say it  accelerates?

• The car is accelerating because of the velocity is constant
• The car accelerates because it's going 20 mph
• Cars always accelerate when they are in motion
• The car is accelerating because it's changing direction

Acceleration only takes place when things speed up. 

• True
• False

Tags

NGSS.HS-PS2-1

In each of the following cases, determine where the car has no acceleration ?

• A car shortly after a stoplight turns green.
• A car approaching a red light
• A car with the cruise control set at 80 km/h
• A car turning a curve at a constant speed

Tags

NGSS.HS-PS2-1

Acceleration can be classified as _______________

• Speeding up
• Slowing Down
• Changing directions
• All of the above

Tags

NGSS.HS-PS2-1

Which graph represents zero acceleration (constant velocity)?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-1

Which graph represents the greatest acceleration?

• A
• B
• C
• D

Tags

NGSS.HS-PS2-1

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.MS-PS3-1