Motion in Two or Three Dimensions AP Physics C Mechanics MCQ – Exam Style Questions etc.
Motion in Two or Three Dimensions AP Physics C Mechanics MCQ
Unit: 1. Kinematics
Weightage : 10-15%
Question
A projectile is launched with a speed of 40 m/s at an angle of 30° above the horizontal, as shown in the figure below. The projectile lands on a plateau 3 s later. The height Δy of the plateau is most nearly
A 15 m
B 30 m
C 45 m
D 60 m
E 75 m
Answer/Explanation
Ans:A
Question
A rock is thrown from the edge of a cliff with an initial velocity v0 at an angle 𝜽 with the horizontal as shown above. Point P is the highest point in the rock’s trajectory and point Q is level with the starting point. Assume air resistance is negligible.
Which of the following correctly describes the horizontal and vertical speeds and the acceleration of the rock at point P ?
Answer/Explanation
Ans:E
Question
A rock is thrown from the edge of a cliff with an initial velocity v0 at an angle 𝜽 with the horizontal as shown above. Point P is the highest point in the rock’s trajectory and point Q is level with the starting point. Assume air resistance is negligible.
Which of the following correctly describes the horizontal and vertical speeds and the acceleration of the rock at point Q ?
Answer/Explanation
Ans:C
Question
A cannonball is shot from the top of a 30 m high hill at a velocity of 25 m/s and at an angle of 40° above the horizontal and lands on the ground below. The speed of the cannonball at the top of its path is most nearly
A 0
B 16 m/s
C 19 m/s
D 25 m/s
E 29 m/s
Answer/Explanation
Ans:C