CP Physics

• Notes on General Relativity Part 1 (General Relativity 1 ppt)
• Reading on Proof of Special Relativity (Proof of Special Relativity doc)

HOMEWORK

• General Relativity 1 Questions (General Relativity Questions doc)
• There will be a test on Tues 1/24

1/18/17 - class worked on the review sheet - here it is! Review Sheet 4

1/24/17 - Test!

1/26/17

CLASSWORK

• Notes on Gravity, Space, and Time (Gravity, Space, and Time ppt)
• Gravity Demo Video (https://www.youtube.com/watch?v=MTY1Kje0yLg)
• Research one of the questions (Cool Modern Physics Questions)

HOMEWORK - Research two more of the questions

1/30/17

CLASSWORK

• Do Now - If we witnessed events occurring on the Moon, where gravitation is weaker than on Earth, would we expect to see a gravitational red shift or a gravitational blue shift? Explain.
• Did Curvature of Spacetime Lab (Curvature of Spacetime doc)- no need to make up if absent
• Read Gravitational Waves article (http://www.forbes.com/sites/startswithabang/2016/12/27/gravitational-waves-from-discovery-of-the-year-to-science-of-the-century/#1638dd446df2) and answered questions (Reading a Science Article)

HOMEWORK - Finish article and answer the questions if not completed in class

December

12/2/16 - students worked on Rube Goldberg Projects, Ms. Cohen handed out Review Packet:CP Physics Review Packet for Semester 1

12/6/16 - students worked on Rube Goldberg Projects

November

11/1/16

CLASSWORK

• Do Now - Define centripetal force.
• Brief notes on centripetal force and acceleration equations (Centripetal Force ppt)
• Centripetal Force Worksheet (Centripetal Force and Acceleration WS)
• Circular Motion Lab (Circular Motion Lab doc)

HOMEWORK

• study for test on Monday 11/7
• lab report due Fri 11/11

11/3/16

CLASSWORK

• Reviewed for test (Review Sheet 3)
• Played review game

HOMEWORK

• study for test on Monday 11/7 - Review Sheet 3
• lab report due Fri 11/11

11/7/16 - Test!

11/9/16

CLASSWORK

• Do now - Two spherical objects have masses of 1.5 x 105 kg and 8.5 x 107 kg. Their centers are separated by a distance of 2500 m. Find the gravitational attraction between them.
• Notes on Kepler's Laws (Kepler's Laws ppt)
• Kepler's Third Law Problems (Kepler's Third Law Problems doc)

HOMEWORK

• Lab Report due next class
• Finish Kepler's Third Law Problems not done in class

11/11/16

CLASSWORK

• Do now - Using your planetary data, calculate the length of Neptune's year, or how long it takes to orbit the sun.
• Notes on Rotational Motion (Rotational Motion ppt)
• Spinning Lab (Spinning Lab doc)

HOMEWORK - nothing new

11/15/16

CLASSWORK

• Do now - A satellite orbits Venus once every three days. Using Kepler’s Third Law and your planetary data, find the altitude of the satellite.
• Went over Test 3
• Notes on Work, Energy, and Power (Work, Energy, and Power ppt)
• Started Work and Energy Worksheet (Work and Energy Worksheet doc)

HOMEWORK - Finish Work and Energy Worksheet (Work and Energy Worksheet doc)

11/17/16

CLASSWORK

• Do now - A 1000 kg car accelerates from 20 m/s to 30 m/s. This acceleration happens over a distance of 6 m. What force was exerted on the car?
• Notes on Energy Formulas and Conservation (Energy Formulas and Conservation ppt)
• Started Conservation of Energy Problems (Conservation of Energy Problems doc)

HOMEWORK - Finish Conservation of Energy Problems (Conservation of Energy Problems doc)

11/21/16

CLASSWORK

• Do now - A ball is launched from h = 0 m with a speed of 8 m/s. Use conservation of energy to find its height when it has a speed of 3 m/s.
• Conservation of Energy Lab (Conservation of Energy Lab doc) - no need to make up if absent

HOMEWORK - nothing new

11/30/16

CLASSWORK

• Do now - A spring has a spring constant of k = 173 N/m. A block of mass 0.2 kg is attached to the spring and compressed 4 cm. What is the speed of the block when it reaches equilibrium position?
• Notes on Simple Machines (Simple Machines and Mechanical Advantage ppt)
• Started Rube Goldberg Projects

HOMEWORK - Rube Goldberg projects due at the end of class on Tues 12/6

• Rubric: Rune Goldberg Project Worksheet and Rubric
• Mechanical Advantage Formulas: Mechanical Advantage Formulas

October

10/3/16

CLASSWORK

• Do Now - A girl kicks a soccer with a speed of 14 m/s at an angle of 55° above the horizontal. What is the maximum height of the soccer ball?
• Derived height and range equations (Range and Height Equations ppt)
• Horizontally Launched Projectiles - finding v_f
• More Projectiles Launched at an Angle (More Projectiles Launched at an Angle)

HOMEWORK - finish whatever you have not been able to get done in class

• 1) Projectiles Launched at an Angle
• 2) Horizontally Launched Projectiles - finding v_f
• 3) More Projectiles Launched at an Angle

10/5/16 - watched Mythbusters: Bullet Fired vs. Bullet Dropped

10/7/16

CLASSWORK

• Do Now - Two golfers each hit a ball at the same speed, but one at 60° with the horizontal and the other at 30°. Which ball goes farther? Which goes higher? Which hits the ground first? Explain your answers.
• Notes on Newton's Three Laws (Newton's Three Laws ppt) - got to slide 5

HOMEWORK - watch Hewitt Video 20: Skydiver Problem (http://www.screencast.com/t/pSDY40XA or https://youtu.be/aqPF1RUcoJg) and answer the questions on the worksheet (Hewitt Video 20 Skydiver Questions)

10/11/16

CLASSWORK

• Do Now - What is Newton's First Law?
• Notes on Everyday Forces (Everyday Forces ppt)
• Net Force Worksheet (Net Forces and F=ma)

HOMEWORK - have a good Fall Break!

10/18/16

CLASSWORK

• Do Now - Four kittens are fighting over a fun toy. Kitten A pulls with a force of 12 N at 10 degrees North of East, Kitten B pulls with a force of 40 N at 58 degrees North of West, Kitten C pulls with a force of 50 N at 23 degrees South of West, and Kitten D pulls with a force of 26 N at 30 degrees South of East. What is the net force on the fun toy?
• Notes on Fundamental Forces, Friction, and Pressure (Fundamental Forces, Friction, and Pressure ppt)
• watched Bed of Nails demo (https://www.youtube.com/watch?v=hG7lGZqWFpM)
• Friction Mini-Lab (Friction Mini Lab doc)

HOMEWORK - watch Hewitt Video 22: Newton's Laws Problem (http://www.screencast.com/t/sgQZeDM7nz1m or https://www.youtube.com/watch?v=A7i4qIVsNAk) and answer the questions (Hewitt Video 22 Questions)

10/20/16

CLASSWORK

• Do Now - What is one of the main goals of physics right now?
• Notes on Newton's Law of Universal Gravitation (Newton's Law of Universal Gravitation ppt)
• Newton's Law of Universal Gravitation Problem Set (Newton's Law of Universal Gravitation Problem Set doc)

HOMEWORK

• complete Orbiting Satellites worksheet (Orbiting Satellites doc)
• finish Newton's Law of Universal Gravitation Problem Set if not finished in class

10/24/16 - Ms. Cohen not here - watched 1.5 episodes of The Elegant Universe

10/26/16

CLASSWORK

• Do Now - Ms. Cohen (mass 48 kg) is standing 2.6 m from Chris Hemsworth (mass 91 kg). What is the force of gravity between them?
• Notes on Apparent Weightlessness (Apparent Weightlessness)
• Went over Test 2
• Elevator Ride Interactive (Elevator Ride Interactive)- you can find the interactive here: http://www.physicsclassroom.com/Physics-Interactives/Newtons-Laws/Elevator-Ride/Elevator-Ride-Interactive

HOMEWORK

• Listen to clip from episode of Radiolab and answer the questions (Radiolab Still Hanging On) - you can find the clip here: http://www.radiolab.org/story/95132-still-hanging/
• Test 2 corrections

10/28/16

CLASSWORK

• Do Now - 1) Define apparent weightlessness 2) How does a black hole form?
• Forces and Gravity Conceptual Challenge Questions (Forces and Gravity Conceptual Challenge Questions doc)
• Hewitt videos #34-41 - here are the questions: Hewitt Video Questions #34-41
  • Video 34: Circular Motion - http://www.screencast.com/t/kOjqRbsU38 or https://youtu.be/nb4VzvfkSN0
  • Video 35: RR Wheels - http://www.screencast.com/t/ZOlxXle9 or https://youtu.be/5YODez4-qbU
  • Video 37: Centripetal Force - http://www.screencast.com/t/MkRKEwhYI or https://youtu.be/Vpyx7Gu0hos
  • Video 38: Centrifugal Force - http://www.screencast.com/t/YUN0HpNI or https://youtu.be/Q9ZVCnD9t18
  • Video 39: Torque - http://www.screencast.com/t/LK4FwCGMmh or https://youtu.be/hOkjFfIj3i8
  • Video 40: Balanced Torques http://www.screencast.com/t/ZZ4PSv87pEF - or https://youtu.be/T6Umj4CzEOI
  • Video 41: Torques on a Plank - http://www.screencast.com/t/SlyEVNBT or https://youtu.be/0-h1GUTKvCI

HOMEWORK - finish videos and questions not completed in class

September

9/1/16

CLASSWORK

• Do Now - A car accelerates to a certain velocity from 4 m/s in 3.3 s. It travels a distance of 40 m while undergoing this acceleration. What velocity does the car get to?
• Discussed lab report rubric and guidelines (see important documents)
• Ticker Tape Lab (Ticker Tape Lab doc)

HOMEWORK

• 1) Radiolab Speed Questions (Radiolab Speed Questions doc) due Weds 9/7
• 2) Lab report due Weds 9/7
• 3) Test will be Fri 9/9

9/7/16

CLASSWORK

• Do Now - A ball is thrown directly downward, with an initial speed of 6.5 m/s, from a height of 30 m. After what time interval does the ball strike the ground?
• Graph that Motion Activity (http://www.physicsclassroom.com/Physics-Interactives/1-D-Kinematics/Graph-That-Motion/Graph-That-Motion-Interactive)
• Review for test (Review Sheet 1)

HOMEWORK - test is next class, so study!

9/13/16

CLASSWORK

• Do Now - A stone is thrown vertically upward with a speed of 18.0 m/s. (a) How fast is it moving when it reaches a height of 11.0 m? (b) At what time is the stone at this height? (c) Why are there 2 answers to part b?
• Notes on Vectors (Vectors ppt)
• Simple Vector Problems (Simple Vector Problems doc)

HOMEWORK - watch the following videos and take notes. They are all sample problems, so make sure you write down and follow along with all of the steps!

• Vector Components 1: http://www.screencast.com/t/4tVeKq2yy1H or https://youtu.be/zxVVmctSM7o
• Vector Components 2: http://www.screencast.com/t/ekBabyA61zX or https://youtu.be/AynNERfKJLY
• Vector Components 3: http://www.screencast.com/t/6AOSzfvmrtdf or https://youtu.be/PYF9LTgfNTc

9/15/16

CLASSWORK

• Do Now - A backpacker walks 18 miles west on day 1, and then 15 miles north on day 2. What is her resultant displacement? Give the magnitude, angle, and direction words.
• Vector Sample Problem: Emma Swan runs 70 feet in a direction 35° south of west, then 80 feet in a direction 50° north of west, in order to escape an evil curse. What is her resultant displacement? Give the magnitude, angle, and direction words.
• More Complicated Vector worksheet (More Complicated Vectors doc)

HOMEWORK - watch the video on Projectile Motion (http://www.screencast.com/t/vsMBT5s8x57t) and take notes

9/19/16

CLASSWORK

• Do Now - Percy is taking Ms. Cohen for a walk. He forces her to walk 44 feet at 28 degrees north of east, then he spots a fly and he runs 26.5 feet south. What is their resultant displacement? Give the magnitude, units, angle, and direction words.
• Horizontally Launched Projectiles (Horizontally Launched Projectiles doc)
• Projectile Motion Virtual Lab (Projectile Motion Virtual Lab doc)

HOMEWORK - finish virtual lab if not finished in class

9/21/16

CLASSWORK

• Do Now - A pool ball leaves a 0.60-meter high table with an initial horizontal velocity of 2.4 m/s. Find the horizontal distance between the table's edge and the ball's landing location.
• Went over Test 1
• Horizontally Launched Projectiles Lab (Horizontally Launched Projectiles Lab doc)

HOMEWORK

• Lab report due Tues 9/27
• Next test will be Thurs 9/29

9/23/16

CLASSWORK

• Do Now - A soccer ball is kicked horizontally off a 22.0-meter high hill and lands a distance of 35.0 meters from the edge of the hill. Determine the initial horizontal velocity of the soccer ball.
• Did the guided problems on the Projectiles Launched at an Angle sheet (Projectiles Launched at an Angle doc)

HOMEWORK

• Lab report due Tues 9/27
• Next test will be Thurs 9/29

9/27/16

CLASSWORK

• Do Now - A football is kicked at 18 m/s at an angle of 43°. If it lands at the same height it is launched at, how long is it in the air for?
• Did the independent problems on the Projectiles Launched at an Angle sheet (Projectiles Launched at an Angle doc)

HOMEWORK - study for Thursday's test! Here is a review sheet: Review Sheet 2 doc

9/29/16 - Test!

August

8/15/16

CLASSWORK

• Went over syllabus
• Went over Lab Safety Contract
• Icebreaker - which quote do you most identify with?

HOMEWORK

• Get syllabus and Lab Safety Contract signed.
• Watch the Hewitt video 1 (watch at http://www.screencast.com/t/pUbQWboHonn5 or https://www.youtube.com/watch?v=t0akAKlJ3nc) and answer these questions: Hewitt Video 1 Questions

8/17/16

CLASSWORK

• Do Now- Why did you decide to take this class? Also, write down anything you know about physics.
• Go over hw
• Notes on Intro to Physics (https://drive.google.com/file/d/0B-vDHcgdIambSWlCMVEtSGt5RDA/view?usp=sharing)

HOMEWORK - Position-Time Graphs Worksheet (Position-Time Graphs Worksheet)

8/19/16

CLASSWORK

• Do now: Analyze each interval of the following position-time graph.

• Notes on v-t graphs (Velocity Time Graphs ppt)
• Started Motion Detector Lab (Motion Detector Lab) - will finish on Tuesday

HOMEWORK - watch Hewitt Video 8 ( watch it here http://www.screencast.com/t/thvHwAHe or here https://www.youtube.com/watch?v=MfDv4FMDlpI&list=PLieW7yb2vzvjE3MC7j9LxIKds6f498ezR and answer questions (Video 8 Questions)

8/23/16

CLASSWORK

• Do now: Translate this p-t graph into a v-t graph

• Go over hw
• Finish Motion Detector Lab
• Turn p-t graphs from Position-Time Graphs Worksheet (Position-Time Graphs Worksheet) into v-t graphs
• Notes on Slopes and Area (Slopes and Areas ppt)

HOMEWORK - watch the Problem Solving Steps Video (http://www.screencast.com/t/P6B3Wwis) and take notes - please copy down the example problem!

8/25/16

• Do Now - Turn the following Position-time graph into a Velocity-time graph

• Took notes on One Dimensional Kinematics (One Dimensional Kinematics ppt)
• Did Guided Kinematics problems (Guided Kinematics Problems doc)
  • Answers are here: https://drive.google.com/file/d/0B-vDHcgdIambLXdCN3ZhTHd4dFU/view?usp=sharing

HOMEWORK - Independent Kinematics Problems (Kinematics Problems doc) due next class

8/29/16

CLASSWORK

• Do now: A car slows down from 23 m/s to rest in a distance of 85 m. What was its acceleration?
• Notes on Free Fall plus sample problems (Free Fall ppt)
• Program quadratic formula in calculators (http://math.arizona.edu/~krawczyk/Calculator/TI83PLUS/TI83PQF.html)

HOMEWORK - Free Fall Kinematics Problems (Free Fall Kinematics WS)

8/31/16

CLASSWORK

• A flowerpot falls from a windowsill 25.0 m above the sidewalk.
  • A) How fast is the flowerpot moving when it strikes the ground?
  • B) How much time does a passerby on the sidewalk below have to move out of the way before the flowerpot hits the ground?
• Notes and Sample Problems on Accuracy and Precision, Percent Error, Relative Standard deviation (Accuracy and Precision ppt)
• Percent Error and Relative Standard Deviation Worksheet (Percent Error and Relative Standard Deviation doc)

HOMEWORK

• Finish Percent Error and Relative Standard Deviation Worksheet if not finished in class- due next class
• Radiolab Speed Questions (Radiolab Speed Questions doc) due Weds 9/7