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PODCAST

The APsolute RecAP: Physics 1 Edition

Ryan McDowell, Melanie Kingett

The APsolute RecAP: Physics 1 Edition is a guided review through all ten units of classical mechanics. Areas of focus include kinematics, motion, energy, momentum, electricity and sound. Plus, a thorough review of essential math skills and graphing analysis through practical examples! Make sure to subscribe wherever you get podcasts, download the accompanying study guides for extra practice, and follow along on social media for the question of the day and course updates! The 2021 exam is on

science physics

All Episodes

00:08:47

The APsolute RecAP: Physics 1 Edition - Testing Tips...

The APsolute RecAP: Physics 1 Edition ·

2021/04/30

You will have 25 minutes to answer a single experimental design question worth 12 points in the FRQ portion of the AP Physics 1 exam. Read the question to determine the relationship being posed, list the quantities to be measured (2:47), develop a procedure to collect that data (4:48), and explain how you would analyze the data collected. (5:46) Good luck!Question of the Day (7:42) When asked to provide a procedure for an experiment that you have created, what should you avoid doing?Thank you for

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00:08:22

The APsolute RecAP: Physics 1 Edition - Testing Tips...

The APsolute RecAP: Physics 1 Edition ·

2021/04/23

You will have 90 minutes to answer 5 free-response questions. Easiest strategy to implement is to grab the low hanging fruit (0:56). The FRQ questions come in a few varieties: experimental design, qualitative/quantitative translation,(4:02) paragraph argument,(5:14) and two short answer questions.(6:00)Question of the Day (7:20) Which is a good strategy for answering the paragraph length response FRQ?Thank you for listening to The APsolute RecAP: Physics 1 Edition!(AP is a registered trademark of

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00:07:04

The APsolute RecAP: Physics 1 Edition - Testing Tips...

The APsolute RecAP: Physics 1 Edition ·

2021/04/16

On average, you will have 1.8 minutes for each multiple choice question. Episode 31 outlines the best strategies for finding the right answer! Rule out incorrect choices with signage (1:32), know your key words (1:50), know your graphing shortcuts (3:36), and identify the system (4:42).Question of the Day (6:03) You flip the page and see a graph of force vs time. What should your first thought be?Thank you for listening to The APsolute RecAP: Physics 1 Edition!(AP is a registered trademark of the

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00:13:17

The APsolute RecAP: Physics 1 Edition - Testing Tips...

The APsolute RecAP: Physics 1 Edition ·

2021/04/09

One of the best strategies for preparing for the Physics 1 exam is knowing what you do not need to memorize. Episode 30 recAPs each unit, with test taking tips, graph reminders and calculator recommendations. Listen for a review of Unit 1 (2:14), 2 (4:01), 3 (6:13), 4 (7:20), 5 (8:28), 6 (9:10), and 7 (9:49)!Question of the Day (12:13)Asked to find the speed of a 1 kg mass that starts at rest, and is accelerated by a spring, which feature of a force vs position graph could be utilized?Thank you for

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00:10:43

The APsolute RecAP: Physics 1 Edition - Dynamics -...

The APsolute RecAP: Physics 1 Edition ·

2021/04/02

Join Ryan on a daredevil stunt with a bike, go-cart, and skateboard in Episode 29. Objects can be evaluated individually or as part of a larger object we call a “system.” (1:45) Sketch the force diagrams for each object, (2:25) sum the forces on each object and set that net force equal to mass times acceleration. (6:20)Question of the Day (9:38) If a 1 kg mass is pushed by a 9 N force into a 2 kg mass along a frictionless surface, how fast will they accelerate?Thank you for listening to The APsolute

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00:08:04

The APsolute RecAP: Physics 1 Edition - Dynamics -...

The APsolute RecAP: Physics 1 Edition ·

2021/03/26

Newton’s 3rd Law is easy to say, but tough to apply. The problem is usually that many people know the catchy phrase, but don’t actually know the meaning of the words in the phrase. (1:23) We explore the gravitational force between you and the Earth. (2:11) But, how does the 3rd law apply to running on a track (2:44) or a wagon being pulled by a tractor? (4:18) We look at all of these scenarios and still had time to discuss what makes a rocket capable of getting into orbit and beyond. (5:26)The

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00:08:11

The APsolute RecAP: Physics 1 Edition - Rotational...

The APsolute RecAP: Physics 1 Edition ·

2021/03/19

Angular momentum is conserved for systems of objects that are rotating. This is true for figure skaters and students on wheel chairs. (1:02) We agree that when determining rotational directions, we use the right hand rule. (2:56) Rotational kinetic energy can change for rotating objects even if their angular momentum is conserved. (5:44)The Question of the Day asks: (7:15) If you quadruple the moment of inertia for a rotating object, then what outcome can be expected with respect to the angular

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00:08:10

The APsolute RecAP: Physics 1 Edition - Rotational...

The APsolute RecAP: Physics 1 Edition ·

2021/03/12

Episode 26 focuses on the energy associated with rotating objects. It's important to distinguish between translational motion and rotational motion (1:06). An object that is rotating faster will not be able to be translating as quickly. (2:27) You will need to know the moment of inertia for each object in order to calculate velocity (4:30).The Question of the Day asks: (7:10)Assuming they are the same mass and radius, which wheel should you be able to get to rotate with more revolutions per second,

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00:09:05

The APsolute RecAP: Physics 1 Edition - Rotational...

The APsolute RecAP: Physics 1 Edition ·

2021/03/05

What makes an object easy or difficult to rotate? Rotational inertia is a quantity that describes an object’s tendency to maintain its rotational motion about an axis. (1:02) Torque is equal to moment of inertia multiplied by the angular acceleration (1:44). Try opening a door by pushing it very close to the hinges. Feels silly right? (5:40) The episode ends by putting the brakes on a bicycle wheel (6:53).The Question of the Day asks: (8:11)If the radius and mass of a ball are both doubled, how does

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00:08:19

The APsolute RecAP: Physics 1 Edition - Rotational...

The APsolute RecAP: Physics 1 Edition ·

2021/02/26

In Episode 24 we are headed to a carnival to hop on rides that will have your head spinning and your stomach doing flips. (1:01) Each rotational quantity has an analogous linear quantity that we encountered at some point throughout the year. The name of the game in rotational kinematics is to quickly learn the names of each variable and the units used to measure it. (1:54) The rotational kinematic equations are introduced, and should seem familiar. (4:03) Finally, we determine how far the door of

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00:09:25

The APsolute RecAP: Physics 1 Edition - Rotational...

The APsolute RecAP: Physics 1 Edition ·

2021/02/19

It's time to practice that golf swing in Episode 23! In order to keep track of objects as they rotate, physicists and mathematicians have created a unit known as a radian. (1:52) Do you know how a golfer can hit the ball faster with a driver than with an iron or a wedge? (4:42) Remember, rotating objects have displacements, velocities and accelerations of both the linear and angular varieties. (6:21)The Question of the Day asks: (8:27)If the radius is doubled for a rotating object, how does that

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00:10:20

The APsolute RecAP: Physics 1 Edition - Simple...

The APsolute RecAP: Physics 1 Edition ·

2021/02/12

How do astronauts weigh themselves in space? The answer to that question and more are in Episode 22. Because masses on springs oscillate, we start by relating the period of a spring to the factors affecting it. (1:16) Brief time is spent explaining the difference between period and frequency, and we define many of the key terms associated with the wave nature of oscillations. (2:43) The equation to find position of an oscillating object is provided and utilized to determine the velocity of the

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00:08:12

The APsolute RecAP: Physics 1 Edition - Simple...

The APsolute RecAP: Physics 1 Edition ·

2021/02/05

The conical pendulum can be a tough topic. Mainly because it relies heavily on numerous past topics. In this episode we start by looking at the forces acting on the pendulum (1:10). Once you apply what you know about forces, you can use knowledge gained about circular motion (4:22). Of course, trigonometry makes its obligatory cameo, and we boil it all down to two simplified equations (5:45).The Question of the Day asks: (7:13)If a pendulum is relocated to a planet with one fourth the gravitational

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00:08:47

The APsolute RecAP: Physics 1 Edition - Simple...

The APsolute RecAP: Physics 1 Edition ·

2021/01/29

In Episode 20, we are hanging around with a simple pendulum, and discussing just what makes a clock tick (0:36). While introducing the simple pendulum (1:04), we look at an experiment you can easily do from your own home with a string and a mass (1:33). What factors affect the motion of a pendulum (2:46)? You can test each one at home (4:42), but we let you in on all of the secrets eventually. Finally, conservation of energy has a cameo and we talk about find the velocity of a pendulum (7:01).The

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00:07:23

The APsolute RecAP: Physics 1 Edition - Momentum -...

The APsolute RecAP: Physics 1 Edition ·

2021/01/22

Episode 19 explores the concept of center of mass, and specifically how the momentum of the center of mass is affected during collisions of the objects in the system. We start by observing a child and parent playing on a seesaw at the park (0:41). The center of mass calculation is presented, and an example provided (1:22). The action is quickly relocated to an ice rink and the collision of two ice hockey players to see that the momentum of the center of mass is conserved (4:23).The Question of the

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00:08:05

The APsolute RecAP: Physics 1 Edition - Momentum -...

The APsolute RecAP: Physics 1 Edition ·

2021/01/15

Episode 18 focuses on how to utilize graphs associated with momentum and impulse through three examples. Two railway cars collide in a velocity time graph. A fancy electric car accelerates (3:59) and a mischievous friend fires a slingshot in a force time graph (5:01). Momentum vs time graphs are less commonly used (6:16).The Question of the Day asks: (7:06) A bullet of mass “m” is shot vertically at speed “v” into a wooden block of mass “10m.” After becoming embedded in the block, what height “h”

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00:07:42

The APsolute RecAP: Physics 1 Edition - Momentum -...

The APsolute RecAP: Physics 1 Edition ·

2021/01/08

Ahoy! In this episode we take a look at the change in momentum for a vehicle made by a crazy physics teacher. (0:42) We quickly shift gears to look at a graph of your physics teacher’s vehicle. (4:06) It’s then game, set, match while we look at the momentum change for a tennis ball. (4:37) Of course, what description of impulse would be complete without looking at the graph of force vs. time for the tennis ball. (5:38)The Question of the Day asks: (6:45)If a force of +20 N is applied for 5 seconds

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00:09:46

The APsolute RecAP: Physics 1 Edition - Momentum,...

The APsolute RecAP: Physics 1 Edition ·

2021/01/01

BLUE 42! HUT! HIKE! Football players know a lot about momentum, and so do students of physics. We look at the momentum of a linebacker and a quarterback throughout a play. (0:41) Different collision types are discussed. (2:35) We then look at the algebraic solution to a momentum problem. (4:31) Good ole’ Kinetic Energy has a cameo, and we look at how energy can change during a collision. (6:14) Graphs of velocity vs. time and momentum vs. time are also evaluated. (6:53)The Question of the Day asks:

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00:09:22

The APsolute RecAP: Physics 1 Edition - Mechanical...

The APsolute RecAP: Physics 1 Edition ·

2020/12/18

Enjoy your roller coaster ride in Episode 15! Roller coasters are excellent examples of the law of conservation of energy in action. (1:17). Visualize the change in mechanical energy type using a bar graph (2:05). We know that the law of conservation of energy states that unless there was external work done on the earth-coaster system, then the total mechanical energy is constant. (2:54) Finally, calculate power, which is how quickly work can be done or how quickly energy is changed. (7:06)The

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00:07:20

The APsolute RecAP: Physics 1 Edition - Springs and...

The APsolute RecAP: Physics 1 Edition ·

2020/12/11

We hope you don’t recoil when listening to Episode 14. It begins with discussing the common spring scale (1:08) before diving into Hook’s law (1:40). Don’t forget that you can use springs vertically and horizontally (4:12). Springs can do work on other objects, or they can possess elastic potential energy if they are defined as part of the system. You can look at springs through a graphical or algebraic lens, and still get the same answer! (5:12)The Question of the Day asks: (6:22)Question: If a

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