Inv1.Exp2 Total Text A

What does instantaneous velocity represent on a position vs. time graph?

• The area under the curve
• The slope of the tangent line
• The total distance traveled
• The change in position over time

What does the slope of the velocity vs. time graph represent?

• Displacement
• Velocity
• Acceleration
• Time

What does the equation vf = v0 + at describe?

• the velocity of an object under constant acceleration
• the aceceleration of an object under constant velocity
• the velocity of an object under constant speed
• the speed of an object under constant acceleration

What does the area under a velocity vs. time graph represent?

• a. Velocity
• b. Acceleration
• c. Displacement
• d. Time

In the context of free fall, what is the value of the acceleration due to gravity g?

• 9.8 m/s^2
• 9.8 m/s
• 9.8 m
• 9.8m/s^3

The equation, d=vOt + (1/2)at^2, represents?

• displacement in terms of time for constant acceleration
• displacement in terms of time for constant speed
• distance in terms of time for constant acceleration
• displacement in terms of time for constant velocity

If an object starts from rest and accelerates at 5 m/s^2, what is its velocity after 4 seconds?

• 10 m/s
• 15 m/s
• 20 m/s
• 5 m/s

If an object starts from rest and accelerates at 2.5 m/s^2, what is its velocity after 2.0 seconds?

• 10. m/s
• 15 m/s
• 20. m/s
• 5.0 m/s

What type of motion does an object in free fall exhibit?

• Uniform motion
• Non-uniform motion
• Constant acceleration
• Circular motion

Which of the following is a characteristic of constant acceleration?

• The velocity changes by equal amounts in equal time intervals
• The speed remains constant
• The acceleration increases
• The displacement is constant