2018 #4 Free Response Question - AP Physics 1 - Exam Solution

The video tutorial covers question #4 from the 2018 AP Physics One exam, focusing on a transverse wave traveling along a string. It explains how to determine the instantaneous velocity and acceleration of points P and Q on the wave. The tutorial also discusses the movement of the wave over time, the distance traveled by point P, and provides insights into the grading of the problem. The importance of showing calculations for clarity and accuracy is emphasized.

What is the initial condition of dot P on the string?

• Dot P is moving downward.

• Dot P is moving upward.

• Dot P has maximum displacement.

• Dot P is at equilibrium.

At the instant shown, what is the velocity of dot Q?

• Zero velocity

• Moving downward

• Moving upward

• Moving to the right

What is the acceleration of dot P at its maximum displacement?

• Acceleration to the right

• Downward acceleration

• Upward acceleration

• Zero acceleration

How far does the wave move to the right during 1/4 of a full cycle?

• 18 centimeters

• 24 centimeters

• 6 centimeters

• 12 centimeters

Where will dot P be located at time T = T/4?

• At the starting position

• At the equilibrium position

• At maximum displacement

• At the midpoint of the wave

What is the total distance traveled by dot P during one full cycle?

• 8 centimeters

• 32 centimeters

• 16 centimeters

• 24 centimeters

How many points can be earned for part C without showing calculations?

• Four points

• Three points

• Two points

• One point