Physical Science Review 1

Radar tells an air traffic controller that a jet is slowing as it nears the airport. Which might represent the jet's speed?

• 700 h

• 700 h/km

• 700 km

• 700 km/h

Tags

NGSS.MS-PS3-1

What does the graph illutrate?

• average speed

• constant speed

• decreasing speed

• increasing speed

Tags

NGSS.MS-PS3-1

Why is the car accelerating when it is circling at a constant speed?

• It is changing its destination

• It is changing its direction

• It is changing its distance

• It is changing its total mass

Which is define as the process of changing position?

• displacement

• distance

• motion

• relativity

Each diagram below shows two sliding boxes. Which boxes have the same velocity?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-1

In the phrase "two miles southeast of the mall," what is the mall?

• a dimension

• a final destination

• a position

• a reference point

The initial speed of a dropped ball is 0 m/s. After 2 seconds, the ball travels at a speed of 20 m/s. What is the acceleration of the ball?

• 5 m/s²

• 10 m/s²

• 20 m/s²

• 40 m/s²

Tags

NGSS.MS-PS2-2

Which could be described by the expression "100 m/s northwest"?

• acceleration

• distance

• speed

• velocity

Tags

NGSS.MS-PS3-1

In the attached graph, what is the average speed of the moving object between 20 and 60 seconds?

• 5 m/s

• 10 m/s

• 20 m/s

• 40 m/s

Tags

NGSS.MS-PS3-1

A car travels 250 km and stops twice along the way. The entire trip takes 5 hours. What is the average speed of the car?

• 25 km/h

• 40 km/h

• 50 km/h

• 250 km/h