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Use the graph of an object’s velocity over time to answer the question.

An illustration shows the velocity versus time graph. The vertical axis of the graph is labeled negative at the bottom and positive at the top. A line parallel to the horizontal axis from a point on the vertical axis near the top is labeled, A. The line then slopes downward passing through the horizontal axis at point C. The part of above C is labeled B and the part below C is labeled D. The line then becomes parallel the horizontal axis. This part of the graph is labeled, E.

Which two values would likely be equal for the object during the times marked by segments B and E?

(1 point)
Responses which answer is correct and why

velocity
velocity

acceleration
acceleration

net force
net force

mass
mass
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1 answer

To analyze this situation, we need to understand what each segment of the velocity versus time graph represents.

  1. Segment B: This segment indicates that the object has a positive, constant velocity. Because the line is horizontal and above the time axis, the velocity remains relatively constant and positive.

  2. Segment E: This segment shows that the object has zero velocity, and it is also a horizontal line on the time axis (indicating that the object is at rest).

Next, let’s consider the possible responses:

  • Velocity: In segment B, the object has a positive velocity, while in segment E, the velocity is zero. Thus, velocity would not be equal for these segments.

  • Acceleration: In segment B, since the velocity is constant (the line is horizontal), the acceleration is zero (there’s no change in velocity). Similarly, in segment E, since the velocity is also constant at zero, the acceleration is also zero. Thus, acceleration is equal both segments.

  • Net Force: According to Newton’s second law (F = ma), if the acceleration is zero, the net force acting on the object would also be zero. Therefore, net force would be equal in both segments as well.

  • Mass: The mass of the object does not change over time, so it is constant, but the question asks about values that would likely be equal specifically for segments B and E in relation to motion.

In conclusion, the correct response is acceleration, as it is zero in both segments B and E.