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5-steps for solving 1-D kinematics using the 3 equations

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A lecture given using a SmartBoard on how to use the three equations to solve 1-D kinematic problems.

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I have are two of my three equations up there your final velocity is equal to the initial velocity acceleration sensor time you find velocity squared equal the initial velocity squared plus 2 a.m. displacement is the net distance that you go for Snapple I can start the origin and Take 5 steps towards the West 1 2 3 4 5 if I keep going west how far away I am if I had walk backwards then I'm 5-2 swords on three if I had turn stay to the left I went 5 for the last I'll start five straight and then to the left and then over so I went to and five here then obviously 229 would be the magnet for the directions so many degrees for the south of Weston and all that but we'll worry about that later and I write my essays with a little time cuz they look a lot like 5 into everything else so it just makes it easier for you Plus you're starting velocity times time memorize these equations is that title today's lecture please how to get a guaranteed a on the first chapter chapter 2 test if your book gives you 588 equations and then he said remember I remember when to use which particular equation Jennifer Duncan method let me go from 8 to 3 that way there is a no-brainer that's for me how do you say my brain self remember you saying like pretty girls phone numbers are five-step method for Sea-Doo to make a sketch 60 Speedy I want five step 2 I want you to write down with the five variables are displacement Delta X or whatever you want to call it call Delta X most books call it a sign for our purposes University division 1 school right out of high school saying Northridge and UCLA or BYU or whatever. So yes he's pretty smart for physics 4294 11th can you put in 112 cuz that's her room number and you guys have the first level of physics so be number one hey we are equations here what are you have that quiz on Monday quick last five questions question number 1 quiz will be is right one of the three equations I don't care if you do vf-vi square foot to a s or if you put V episode VI + AC I don't care which one you put first any orders fine the third one you guys are awesome questions for will be what's the homework hotline number and you will answer to 9 for 1188 112 number one are you doing this question will be what is mr. Email and you will go Jay Duncan seven letters at hartdistrict.org those are the five questions knucklehead or a very poor memory Tracy Wright your nose your unknown and you must know 3 of 5 why do you say well if you go back and look at our original equations It's never enough and blue here you'll notice that there are four unknown variable in each I don't know if this BS does bi there's time variables in all the circumstances you guessing equation just one of the three do not spend more than 2 seconds thinking about it will take you longer to I don't know what's all these different things I know you can just plug it in you know right away if you were looking for the time the first one y****** your nose and your unknown what's the number to Crunch Grill if you get the wrong equation well questions wrong well I'm hearing example what I'm talking about calling problem you have somebody who just happens to have planner Ohio Wednesday tandem that by the way would be like question 1 and 2 on a test there's a problem let's not fall of the five-step method and it still is worried and he's got his book thing that he stole from a student play 17 I would like to know the time in the air and I would like to know how fast is it going Step 2 please do not use the capital a capital and Susan Smith amperages Mount Major electricity little ways acceleration velocity Cassidy step 3 says how far did it go how long was it near I'm looking for that how fast is it leaving my hands don't know I don't know and I don't know the f but I do know how fast is the book Moving when it's at the top 0 thank you if it was still moving it wouldn't be at the top yet what it it was moving down the final velocity at the top is zero it's kind of understood I said it went 77 about acceleration Gravity by the way people think that Newton discovered gravity gravity gravity Newton equation to describe gravitational attraction between two masses acceleration of gravity where to find out is approximately 9.8 meters per second squared and the downward Direction that's why so minus okay let me see I know I know I know three of the five from this point here although I'm not going to see if it works building for the other line else like it's got that's it for $1 questions up to here question by question is whether a and b f is a constant in this class A will always be a constant person is always constant it's not really concert if I'm screwing it up I got a lot of air friction right and you know of course if you've ever and roll your window down the freeway if you want to 80 miles an hour put your face out the window at 90 miles an hour nervous reaction we have to shut down slow down so for our purposes in this class will always be constant if you move towards the equator throws you off at the equator that's why they always launch from as far south as you can get for the launch from Florida instead of stay main the Russians launched for Moscow they went all the way to the office. It's about 15 degrees from the equator from South America in a Guyana we're not going to concern yourself with that spell two or three

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5-steps for solving 1-D kinematics using the 3 equations

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