Inv1.Exp2 - Total Text B

How does zooming in on a curve help to determine instantaneous velocity?

• It shows the total distance
• It reveals the average speed
• c. It approximates a straight line
• d. It eliminates the curve

If an object falls for 3.00 seconds under gravity, what is its approximate displacement?

• 14.7 m
• 9.8 m
• 44.1 m
• 29.4 m

In the equation d=vOt+(1/2)at^2, what does d represent?

• Speed
• Acceleration
• Displacement
• Time

In the equation d=vOt+(1/2)at^2, what does vO represent?

• Speed
• Acceleration
• Displacement
• Initial velocity

In which scenario is the equation, d=vOt+(1/2)at^2, applied?

• When acceleration is not constant
• During circular motion
• For constant acceleration only
• For objects in static equilibrium

In the equation d=vOt+(1/2)at^2, what does a represent?

• Speed
• Acceleration
• Displacement
• Initial velocity

How does the velocity of an object in free fall change over time?

• It decreases
• It remains constant
• It increases linearly
• It oscillates

What happens to the acceleration of an object in free fall when it reaches terminal velocity?

• It increases
• It decreases
• It becomes zero
• It remains constant

What is the final velocity of an object that has an initial velocity of 20 m/s and accelerates at -10m/s^2 for 3 seconds?

• 10 m/s
• 5 m/s
• -10 m/s
• -20 m/s

What is the final velocity of an object that has an initial velocity of 10 m/s and accelerates at -5m/s^2 for 2 seconds?

• 10 m/s
• 5 m/s
• -10 m/s
• -20 m/s