# AP Physics C 2022 Exam Questions & Answers, Set 1

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### Questions & Worked Solutions For AP Physics C 2022: Mechanics Exam Set 1

AP Physics C 2022 Exam Questions Set 1 (pdf)

AP Physics C 2022 Exam Question 1

1. A block of mass m is pulled across a rough horizontal table by a string connected to a motor that is attached to the floor. The string passes over a pulley with negligible friction that is vertically aligned with the left edge of the table as shown. The string and pulley both have negligible mass. The pulley is at height H above the table. The motor exerts a constant force of tension FT on the string, and the block remains in contact with the table at all times as the block slides across the table from x = L to x = 0. The coefficient of kinetic friction between the table and the block is μk. Express all algebraic answers in terms of m, H, FT , x, mk, L, and physical constants as appropriate.

AP Physics C 2022 Exam Question 2
2. Cart 1 of mass m1 is held at rest above the bottom of an incline. Cart 2 has mass m2, where m2 > mk, and is at rest at the bottom of the incline. At time t = 0, Cart 1 is released and then travels down the incline and smoothly transitions to the horizontal section. The center of mass of Cart 1 moves a vertical distance of H, as shown. At time tC, Cart 1 reaches the bottom of the incline and immediately collides with and sticks to Cart 2. After the collision, the two-cart system moves with constant speed v. Frictional and rotational effects are negligible.

AP Physics C 2022 Exam Question 3
3. A solid uniform disk is supported by a vertical stand. The disk is able to rotate with negligible friction about an axle that passes through the center of the disk. The mass and radius of the disk are given by Md and R, respectively …

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