Average Speed Assessment

The formula d/t is used for calculating _______ and ________.

• acceleration, speed

• speed, velocity

• acceleration, velocity

• none of the above

Tags

NGSS.MS-PS3-1

What is the unit for speed?

• m/km

• grams

• m/s

• s/m

Tags

NGSS.MS-PS3-1

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

• 50 m/s

• 5 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?

• 3 yds/sec

• 30 sec/yards

• 30 yards/sec

• 3 sec/yards

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?

• 56 mph North

• 56 mph

• 58 mph

• 58 mph Northwest

Tags

NGSS.MS-PS3-1

What are two ways an object can accelerate without speeding up?

• The object stops

• The object can change direction, The object can slow down

• travels at 50 mph

• The object travels at 20 mph

Acceleration is measure in _____ units.

• mph

• m/sec

• m/s2

• mps

Tags

NGSS.HS-PS2-1

Acceleration on a distance time graph shows up as a _______ line.

• straight

• curved

• Up and Down

• straight across

Speed on a distance time graph who up as a straight ______ line.

• diagonal

• across

• curved

• None of the above