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Agenda Warm Up Review HW Mythbusters : bullet fired Solve AP Problems

Warm Up 32. A ball is thrown and follows a parabolic path, as shown above. Air friction is negligible. Point Q is the highest point on the path. Which of the following best indicates the direction of the acceleration, if any, of the ball at point Q? .

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Agenda Warm Up Review HW Mythbusters : bullet fired Solve AP Problems

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  1. Warm Up 32. A ball is thrown and follows a parabolic path, as shown above. Air friction is negligible. Point Q is the highest point on the path. Which of the following best indicates the direction of the acceleration, if any, of the ball at point Q? AP PhysicsMonday 13.10.14Standards: 2c2 Students should understand the motion of projectiles in a uniform gravitational field. Objective: SWBAT solve 2D Kinematics AP Problems A Agenda • Warm Up • Review HW • Mythbusters: bullet fired • Solve AP Problems B C D E. No Acceleration Homework Finish AP Problems

  2. Warm Up A target T lies flat on the ground 3 m from the side of a building that is 10m tall, as shown above. A student rolls a ball off the horizontal roof of the building in the direction of the target. Air resistance is negligible. the horizontal speed with which the ball must leave the roof if it is to strike the target is most nearly? AP PhysicsTuesday 13.10.15Standards: 2c2 Students should understand the motion of projectiles in a uniform gravitational field. Objective: SWBAT solve problems involving relative velocity. Agenda • Warm Up • Review AP Problems • AP WORKSHOP THIS WEEKEND • 2 More Word Problems Homework 2D Kinematics HW

  3. AP PhysicsWednesday 13.10.16Standards: 2c1 Students should understand the motion of projectiles in a uniform gravitational field. Objective: SWBAT use their knowledge of projectile motion to crack an egg. Warm Up 143. The free fall trajectory of an object thrown horizontally from the top of a building is shown as the dashed line in the figure. Which sets of arrows best correspond to the directions of the velocity and of the acceleration for the object at the point labeled P on the trajectory? Agenda • Warm Up • Relative Motion: Objects in Wind & Water • Relative Motion Example Homework Relative Velocity 1-4 p.29

  4. Warm Up A flare is dropped from a plane flying over level ground at a velocity of 70 m/s in the horizontal direction. At the instant the flare is released, the plane begins to accelerate horizontally at 0.75 m/s2. The flare takes 4.0s to reach the ground. Assume air resistance is negligible. Relative to a spot directly under the flare at release, the flare lands. A) directly on the spot. B) 6.0 m in front of the spot C) 274 m in front of the spot D) 280 m in front of the spot E) 286 m in front of the spot AP PhysicsThursday 13.10.17Standards: Students should understand the motion of projectiles in a uniform gravitational field. CCS.ELA-Literacy.RST11-12.10 By the end of grade 12, read and comprehend science/technical texts in the grades 11-CCR text complexity band independently and proficientlyObjective: SWBAT solve projectile motion problems based on an object falling from a high place. Agenda • Warm Up • Review HW • Crack the Egg Lab Homework Lab Write Due Next Tuesday Projectiles Quiz Tomorrow 1 AP free Response Question 15 minutes using AP scaling

  5. Warm Up A whiffle ball is tossed straight up, reaches a highest point, and falls back down. Air resistance is not negligible. Which of the following statements is true? The ball’s speed is zero at the highest point. The ball’s acceleration is zero at the highest point. The ball takes a longer time to travel up to the highest point than to fall back down. A) 1 only B) II only C) I&II D) 1&III E) I,II,&III AP PhysicsFriday 13.10.18Standards: Students should understand the motion of projectiles in a uniform gravitational field. Objective: SWBAT score 80% on the quiz Agenda • Warm Up • Quiz 5 • Relative Motion Homework Test Review Monday Test Wednesday Relative Motion p.29 #2-5

  6. Break the Egg Lab Activity Objective: Break the egg with the marble on the first try by rolling it off a table and through 3 rings. Take as many practice runs as you want, but you only get one shot once you want to break the egg. (If you do this you get five bonus points to your lab write up.)

  7. How to complete the lab write Up • Come up with a question or hypothesis that you think you can prove. : ex. hyp. The 3 equations of motion will predict the motion of a following marble enabling us to break an egg. • Write down materials & procedures used and write down your procedure for setting up the experiment and implementing the experiment. (Do not include anything about calculations in this section) • Data: Use the scant information that you have to make a parabolic graph that represents the position of the marble. We do not have time data so we will just graph vertical and horizontal position y vs. x • Questions you will need to answer in your Calculations portion of the lab: • 1. What was the projectile’s initial velocity? • 2. How long was the projectile in the air before it hit the egg? • 3. Find the components of velocity of the marble as it goes through each of the three rings and as it hits the egg • 4. What was the projectile’s final speed and angle as it hits the egg? • Analysis: In this section just justify your results using data. This entails evaluating your hypothesis as true, false, or inconclusive and provide it with actual data. One thing you might try proving is that the motion is parabolic. It may help depending on whether you are arguing for true, false, or inconclusive. • Conclusion: Summarize your results: Include important data that you got from the lab. Talk about and name some sources of error. Talk about and name any design changes or improvements you’d make to the lab.

  8. New Lab Write Up Format

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