Chapter 1 - Part 3

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Tags

NGSS.MS-PS3-1

What is velocity?

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

Tags

NGSS.MS-PS3-1

A change in velocity over time is known as:

• acceleration
• constant speed
• average speed
• displacement

Tags

CCSS.8.EE.C.7B

The unit we use to measure acceleration is ___. 

• meters / second 
• meters 
• seconds 
• meters / second / second 

Tags

NGSS.HS-PS2-1

The speedometer on your car tells you

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

How much time would it take for an object to fall 4.7 meters?

• 1.96 s

• 4.79 s

• 0.97 s

If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is -10 m/s²?

• 27 m/s
• 3 m/s
• -27 m/s
• -3 m/s

Tags

NGSS.HS-PS2-1

What happens to the velocity of a ball as it is dropped off a cliff? 

• It decreases at a uniform rate 
• It increases at a uniform rate 
• It is constant 
• It increases at a non-uniform rate

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

An object is in free fall. About how fast is it going after 5 seconds?

• 20 mph

• 10 m/s

• 50m/s

• 50m/s/s

An object is in free fall. About how far will it travel after 5 seconds?

• 152 ft

• 125 m

• 405 ft

• 405 m