AVERAGE SPEED ASSESSMENT

The formula for calculating speed and velocity is ______ .

• m/s

• d/t

• s/t

• t/m

What is the unit for speed?

• m/s

• s/t

• m/t

Tags

NGSS.MS-PS3-1

What was the average speed of the toy car during the two trials to the nearest tenth of a m/s? Be sure to use the correct place value?

• 2.5 m/s

• .5 m/s

• 1.5 m/s

Tags

NGSS.MS-PS3-1

Which of the following best describes the velocity of an object?

• 50 m/s

• 50 m east

• 50 m/s east

• 50 m/s2

What is the difference between the velocity and the speed of an object?

• Velocity is the change in distance over time, while speed is the change in velocity over time.

• Velocity has a direction associated with it, while speed has no specific direction.

• Velocity has no direction associated with it, while speed has a specific direction.

• Velocity is the change in speed over time, while speed is the change in distance over time.

A golf ball is hit a distance of 300 yards in 10 sec. What is the speed of the golf ball?

• 30 yards/s

• 25 yards/s

• 30 yards/s

• 15 yards/s

Tags

NGSS.MS-PS3-1

Mr. Smith is traveling from Houston, TX to Dallas, TX. It takes 4 hours to make the 224 mile trip. What is his velocity?

• 65 mph North or Northwest

• 50 mph North or Northwest

• 56 mph North or Northwest

• 70 mph North or Northwest

What is the average speed of the object at 8 seconds?

• 10 m/s

• 15 m/s

• 5 m/s

• 25 m/s

Tags

NGSS.MS-PS3-1

An object can accelerate without speeding up by changing direction or slowing down.

• true

• false

Acceleration is measured in ______________ units.

• m/ $s^2$  

• s/ $m^2$  

• d/ $s^2$