AP Physics Review Video Quiz for Video 3

What is the initial position of the cart at the top of the ramp?

• 0 meters

• 1 meter

• 10 meters

• 5 meters

Which axis is indicated as going down the ramp?

• Y-axis

• X-axis

• None

• Z-axis

What shape would the graph of position vs. time be if time was plotted on the x-axis?

• Parabolic curve

• Circular

• Hyperbolic curve

• Straight line

What does the slope of the graph represent when position is on the Y-axis and time squared is on the X-axis?

• Half of acceleration

• Time

• Distance

• Velocity

What additional quantities need to be measured to calculate the experimental value of gravitational acceleration, G?

• Mass of the cart

• Color of the cart

• Angle of the incline

• Width of the ramp

What is the correct expression for G experimental if the angle Theta and acceleration a are known?

• G = a * sin(Theta)

• G = Theta / a

• G = a / sin(Theta)

• G = a + Theta

What could cause a significant difference in the experimentally determined value of G experimental?

• Friction

• Air resistance

• Color of the ramp

• Rotational inertia of the wheels

What happens to the velocity of the cart as it moves up the ramp?

• Becomes zero

• Remains constant

• Decreases

• Increases

What is the slope of the position vs. time graph when the cart moves up the ramp?

• Zero

• Positive

• Undefined

• Negative

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

• Energy

• Displacement

• Force

• Acceleration