2012 #2 Free Response Question - AP Physics C: Mechanics - Exam Solution

The video tutorial covers a problem from the 2012 AP Physics C mechanics exam, focusing on experimental design to investigate the conservation of mechanical energy. The instructor guides students through brainstorming experiment ideas, designing experiments, and solving the problem using different approaches. The tutorial emphasizes the importance of understanding the problem statement, careful reading, and considering experimental errors.

What is the main focus of the AP Physics C mechanics exam question discussed in the video?

• Calculus-based problems

• Experimental design

• Theoretical physics

• Quantum mechanics

Why is it important to read all parts of the experimental design question before starting?

• To avoid reading unnecessary parts

• To memorize the question

• To save time

• To understand the entire scope of the experiment

Which equipment is NOT mentioned in Billy's materials list for the experiment?

• Electronic balance

• Meter stick

• Stopwatch

• Photo gates

What is the purpose of setting a horizontal zero line in the experiment?

• To find velocity

• To determine mass

• To calculate potential energy

• To measure time

What could cause an increase in energy during the experiment according to the video?

• Air resistance

• Friction

• Measurement errors

• Initial velocity

What is a possible reason for a decrease in energy during the experiment?

• Decreased height

• Conservative forces

• Non-conservative forces

• Increased mass

In Bo's experiment, what is the initial velocity of the object when dropped?

• Positive

• Negative

• Unknown

• Zero

What is the role of air friction in Bo's experiment?

• It has no effect

• It decreases kinetic energy

• It increases mass

• It increases potential energy

Which of the following is NOT a part of Bo's experiment procedure?

• Dropping objects from a height

• Using a stopwatch

• Measuring mass with an electronic balance

• Inclining the track

What is the final kinetic energy dependent on in Bo's experiment?

• Time of fall

• Initial height

• Final velocity

• Mass of the object