Free AP Physics C lesson

Projectile Motion

This AP Physics C: Mechanics lesson is designed for AP Physics C self-study. It includes 1 video lesson, 8 practice questions, and an estimated completion time of 18 minutes.

Video lessons

  1. Projectile Motion Basics

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Practice covered

  1. The fundamental strategy for solving a projectile motion problem is to treat the motion as two independent components. What are these two components?
  2. In the absence of air resistance, what is the value of the acceleration of a projectile in the horizontal direction (in m/s^2)?
  3. What physical quantity is the same for both the horizontal (mathbfx) and vertical (mathbfy) components of a projectile's motion?
  4. An object is launched with an initial speed (v_0) of 15.0 m/s at an angle (theta) of 40.0^circ above the horizontal. Calculate the initial vertical velocity (v_iy) in m/s.
  5. An object is launched from the ground and returns to the ground (Delta y = 0 m) with an initial vertical velocity (v_iy) of 8.0 m/s. Calculate the total time of flight (t) in s. (Use g = 9.8 m/s^2)
  6. A projectile has a constant horizontal velocity (v_ix) of 10.0 m/s. If the total time of flight (t) is 1.63 s, calculate the range (Delta x) in m.
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