Introduction: 19 Goal: Discover facts about 2D projectile motion Optimal angle .velocity component vectors of projectiles . acceleration vectors of projectiles Simulation: https://phet.colorado.edy/sims/html/projectile-motion/latest/projectile-motion_en. html Vocabulary: Projectile: An object only interacting with air and gravity. A projectile is experiencing freefall. LA Trajectory: The pathway of a projectile. This will look like a parabola. Range: Maximum horizontal distance of the projectile. Figure 1: Vectors tab Directions: Time 2.96 5 19:59 m Play om Open up the simulator and play around with ALL the stuff. Take a couple minutes to check out the capabilities of the simulator. Specifically, explore the projectile measuring tool (see figure 2) and how to use it with the Figure 2: Measuring tool. pause/play buttons. This allows you to take data at any point along the trajectory. Figure 3: Cannon setup. Vector components 1) Go to the "Vectors" tab (see figure 1). 2) Cannon setup: Set up the cannon at ground level (0 m mark) and at a 40 angle as shown in figure 3. 3) Display options: Set the vector display options to show components, velocity vectors, and acceleration vectors; turn off force vectors and air friction (see figure 4). 4) Observe: Fire the cannon (at an initial speed of 16 m/s) and record your observations of the vectors. Re-fire the cannon at this position as many times as you need to make your observations. Maybe try using the slow motion setting. Try Total Components using the pause/play button too. Velocity Verions a. How does the acceleration vector change throughout the cannonball's trajectory (use complete sentence)? Acceleration Vectors Force Vector i. Draw the acceleration vectors at every dot along the trajectory. Figure 4: Vectors display options. b. How do the velocity vectors change throughout the cannonball's trajectory? i. Describe horizontal velocity vectors (vx) (use complete sentence)?: ii. Draw the vy vectors at every third dot along the trajectory. iii. Describe vertical velocity vectors (w) (use complete sentence)?: iv. Draw the vy vectors at every third dot along the trajectory. Include vector