Speed, Velocity and Acceleration

1. Which of the following statements about speed and velocity is correct?

• Velocity only describes an object’s rate of motion.
• Speed describes how an object is changing its velocity.
• Speed and velocity both describe how an object is speeding up.
• Only velocity includes the direction an object is traveling.

Tags

NGSS.MS-PS3-1

The gees fly 23 mph to the south when they migrate for the winter. 

• speed
• velocity
• acceleration

The Olympian swam 200 meters in 20 seconds. 

• speed
• velocity
• acceleration

Tags

NGSS.MS-PS3-1

Avery likes to walk 30 feet in 10 seconds. What is her speed?

• 3 feet/sec
• 6 feet/sec
• 10 feet/sec
• 2 feet/sec

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

Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?

• 55km
• 32km
• 43km
• 32miles

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

In the distance vs. time graph, what type of motion does the line represent? 

• Speed
• Velocity
• Acceleration
• Deceleration

In the distance vs. time graph, what type of motion does the line represent?

• No motion
• Constant velocity
• Acceleration
• Deceleration

Tags

NGSS.MS-PS3-1

In the distance vs. time graph, what type of motion does the line represent?

• Acceleration
• No motion
• Deceleration
• Constant Velocity

Tags

NGSS.MS-PS3-1