Question

having problems staying logged in or are you experiencing issues? please visit our trou section for solutions. jack and jill are conducting an experiment to determine the effect that the angle of an inclined plane has upon the acceleration of a hot wheels car that rolls along it. which notebook entry accurately identifies the variables and displays the best choice for a plot? choice 1 of 4: dependent variable: angle of incline independent variable: acceleration graph with angle of incline (deg) on y - axis, acceleration (m/s²) on x - axis, points plotted

Explanation:

To determine the correct identification of variables and plot, we analyze the experiment:

Key Concept:

• Independent Variable (IV): The factor manipulated by the experimenter (here, the angle of the inclined plane—it’s what Jack and Jill change to test its effect).
• Dependent Variable (DV): The factor that depends on the IV (here, acceleration—it’s what they measure to see how it changes with the angle).
• Plotting: The IV is plotted on the x - axis, and the DV is plotted on the y - axis.

Analyzing the Given Choice:

In the provided table and plot:

• The “Dependent Variable” is labeled as “Angle of Incline” (incorrect—angle is the IV, not the DV).
• The “Independent Variable” is labeled as “Acceleration” (incorrect—acceleration is the DV, not the IV).
• The plot has “Acceleration (m/s²)” on the x - axis (IV belongs on x - axis, but acceleration is DV) and “Angle of Incline (deg)” on the y - axis (DV belongs on y - axis, but angle is IV).

Correct Identification:

• Independent Variable: Angle of Incline (it is manipulated).
• Dependent Variable: Acceleration (it is measured/affected by the angle).
• Plot: x - axis = Angle of Incline (IV), y - axis = Acceleration (DV).

Since the question asks to identify the accurate notebook entry and plot, the given choice is incorrect. A correct entry would swap the variables:

• Dependent Variable: Acceleration
• Independent Variable: Angle of Incline
• Plot: x - axis (Angle of Incline), y - axis (Acceleration)

(Note: If this were a multiple - choice question with options, the correct option would have:

• IV: Angle of Incline
• DV: Acceleration
• Plot with Angle on x - axis, Acceleration on y - axis.)

If we assume the task is to identify the error in the given choice (as the question implies “which notebook entry accurately...”), the given choice is incorrect because it swaps the independent and dependent variables and misplots them.

The experiment investigates how the angle of an inclined plane (independent variable, IV) affects the car's acceleration (dependent variable, DV). In the given choice, the variables are mislabeled (angle is incorrectly the dependent variable, acceleration the independent) and the plot misplaces them (IV should be on the x - axis, DV on the y - axis). A correct entry swaps the variable labels and plots angle (IV) on the x - axis and acceleration (DV) on the y - axis.

Answer:

The given notebook entry and plot are incorrect. The correct identification is:

• Dependent Variable: Acceleration
• Independent Variable: Angle of Incline
• Plot: x - axis (Angle of Incline, deg), y - axis (Acceleration, m/s²)