PS Q4 Exam Review

A wheelchair racer completes a 100 meter course in 20 seconds. What is his speed?

• 10 m/s

• 5 m/s

• 2 m/s

• 0 m/s

Tags

NGSS.MS-PS3-1

In a distance time graph, the steeper the line the...

• greater the speed
• slower the speed
• speed has reached zero
• speed has not changed

Speed in a specific direction is called

• speed
• acceleration
• position
• velocity

True or False
It is possible for two objects to have the same speed but different velocities

• true
• false

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

Tags

NGSS.MS-PS3-1

Which runner won the race?

• Albert
• Bob
• Charlie

Tags

NGSS.MS-PS3-1

A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?

• 50 miles

• 25 miles

• 100 miles

• 75 miles

A truck driving at 60 miles per hour travels 150 miles. How long is the trip?

• 9000 hours

• 0.4 hours

• 210 hours

• 2.5 hours

On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.

• constant
• zero
• increasing
• decreasing

The graph represents

• no motion

• positive velocity

• Acceleration

• negative velocity

Tags

NGSS.MS-PS3-1