Describe (in your own words ) what a projectile is. Provide examples. 2 . What is the biggest difference in a projectile's horizontal and vertical motion? What phenomenon causes this difference? 3. Summarize the (often) surprising result of shooting a gun horizontally and dropping a bullet at the same time. Why is this true (explain in terms of horizontal and vertical components of motion)? 4. Where must you aim the rifle to hit the falling monkey? Why? 5. If you increase the monkey's initial height, where do you aim the rifle? Why is this true? 6. If you had a rifle with a higher muzzle-velocity, where do you aim the rifle? Why is this true