Components of Projectile Motion
About the Lecture
The lecture Components of Projectile Motion by Jared Rovny, PhD is from the course Translational Motion.
Included Quiz Questions
A projectile makes an angle θ with the ground. What are the horizontal and vertical components of its velocity?
- vₓ = v cosθ , vᵧ = v sinθ
- vₓ = v sinθ , vᵧ = v cosθ
- vₓ = v tanθ , vᵧ = v sinθ
- vₓ = v cosθ , vᵧ = v tanθ
- vₓ = v , vᵧ = v sinθ
What is the equation of motion of a projectile along the x-axis?
- x = x₀ + v₀ₓt
- x = x₀ - v₀ₓt
- x = x₀ + v₀ₓt - gt²/2
- x = x₀ + v₀sinθ t
- x = x₀ - v₀cosθ t
Which statement is TRUE about the acceleration of a projectile with no air resistance?
- The horizontal acceleration is zero, while the vertical acceleration is always –g.
- The horizontal acceleration is zero, while the vertical acceleration is always +g.
- The vertical acceleration is zero, while the horizontal acceleration is always –g.
- The vertical acceleration is zero, while the horizontal acceleration is always +g.
- The horizontal acceleration is -g cosθ, while the vertical acceleration is –g sinθ.
What is the equation for vertical velocity in projectile motion?
- vᵧ = v₀ᵧ - gt
- vᵧ = v₀ᵧ + gt
- vᵧ = v₀ᵧ - gt/2
- vᵧ = -gt
- vᵧ = v₀ᵧ - gt²/2
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Author of lecture Components of Projectile Motion
Jared Rovny, PhD
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