OLD Unit 7- Motion & Forces Review

How much time does it take a person to walk 12 km north at a velocity of 6.5 km/h?

• 0.54 h
• 1.85 h
• 78 h
• 5.5 h

A car goes from rest to 50m/s in 5 seconds. What is the acceleration?

• -10m/s²
• 250 m/s²
• 25 m/s²
• 10 m/s²

The football player ran 40 yards in 4.2 seconds.

• Speed

• Acceleration

• Velocity

The train traveled east by southeast at 20 km/s.

• Speed

• Acceleration

• Velocity

How long did it take this object to travel 10 m?

• 0 s
• 10 s
• 15 s
• 20 s

What is happening at C?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Slower steady speed; moving away from the starting position

What is happening at D?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Slower steady speed; moving away from the starting position

What is happening at A?

• Stationary
• Accelerating
• Slower steady speed; moving away from the starting position
• Steady speed; returning to start position

What is the speed of a train that travels 6800 meters in 10 minutes? 
What formula would you use?

• V= D/T
• T= D/V
• D= VT
• None of these

What two variables are interchangeable 

• V and S
• S and T
• T and D
• D and V