Been watching a lot of your videos and I just have to say... you’re an amazing teacher and honestly explain physics a lot better than a lot of (my) professors. Thank you! :)
Your a wonderful tutor, fluid mechanics was a challenge for me back then in uni, never really understood just read to pass. Always really wanted to understand, watching your video as really aided my understanding and appreciate the practically application of the principles. Thanks a zillion.
Thank you so much for making things so much simpler than how profs explain...these things go over my head in class but doing these problems with you really boosts my confidence!
do you know what class this is at your university if you're still there? we are learning this +more in our high school physics class so im wondering if ill have to learn the same thing again later
@@zo0m524 I was learning this material in my general physics class. I only had one physics class in college. Hope this helps!! Good luck with your studies :)
@@zo0m524 AP classes cover introductory college class content. So what you're learning in AP physics is likely similar to what a college freshman is learning in their physics class. Depending on how well you score on ur AP test, and which school you commit to, you may be allowed to skip a physics class in college.
@@zo0m524 It's normal to learn physics in high school, in mine it's mandatory to take it if you want to graduate but some will allow you to skip. In college, it's usually gonna just be the low-level physics where it just goes over the main important stuff about physics. I'm graduating in a few days and going to be majoring in physics and while I was talking with my advisor about what classes to take to get the degree, the first physics class is basically almost everything I covered this year in physics.
Thank you, this was so helpful!! Also a quicker way for the last question is to use the formula T = 2 pi * square root of (m/k), and just rearrange for k since we have the other variables
God bless you, I swear you have helped me so much throughout the whole school year, thanks to you physics gets less and less confusing to me, thank you so much, I can't find a way to express my gratitude so I will just leave this here even if you never eventually notice it
Honestly I am aversion to all these formulae but after watching this video I can't have enough of it. Honestly I couldn't be better. Thank you so much you are so a life saver.
When I'm no longer a broke student, I will donate so much money to you. You have singlehandedly saved my academic career from high school to university. God bless you.
from organic chemistry to calc 2, to physics, you and you alone have saved my grades and made life so much easier, thank you from the bottom of my heart man
You make physics so easy to understand, and they’ve helped me so much with my exams. Thank you for breaking down complex concepts into simple explanations I truly appreciate your hard work. Keep up the great work!
I have never commented on your videos before.. even though I have been following you and referring you to others.. this lesson gave me a better understanding.. thank you so much
This is a nice set of practice problems! However, the statement of Problem 3, should specify that the mass is the same in the two scenarios. Otherwise, if the mass is not the same, the cancelling method would not work. You can also use a method to find the mass itself in Scenario 1, it's 4.05x10^-3, and then plug it into Scenario 2 to find the frequency.
the minus sign is only required if you write the vector form of the equation, because the force vector is always pointing towards the equilibrium. In most equations you only care about the intensity of the force, not the direction, so you can leave the minus sign and just use F = kx
You're a king, a God, and my diety. I hope you know how much good you are doing in this world. Everyday you should wake up knowing that you are changing people's lives for the better
3:48 Okay, I'm having difficulty finding the Spring Constant in a problem I'm working on. All I'm given is the mass (m=10kg) and the frequency (f=4 Hz) in a vertical simple harmonic oscillation. I need to find the frequency when the mass is 85 kg. How do I find k from here if I don't know x? Or I guess how do I find x from the weight and frequency? The only force acting on the object is gravity.
When m= 85kg f= 1,372 Hz Using same K= 6316,55N/m (drawn from the formula of frequency with the first given coordinates of m=10kg, f=4Hz ) Then use the same K found to substitute in the equation with the new mass of 85kg to find the frequency.
At 5:42, why do we get to assume that the mass of the two springs is the same? If the second spring had a mass 4 times the mass of the first spring, wouldn't the frequencies be the same?
For question 1 part b I got f = 31.4Hz I did this with the eq. (1/2pi)(sqrt(k/m)) How do you know which equation to use? Because they both give different answers
What more can I get before I can describe someone as an angel? You have been exactly that-An angel, any other word is an understatement. May God bless you and your family for your videos, I must confess, I have been richly blessed through them
How did you determine the formula for frequency, I noticed that the formula was different from example one than it was in example 2. F= 1/T vs Example 2, F= 1/2pie [K/m]
You're such a good tutor. Heart you Big. Pls can someone explain to me how he calculated the 2π√0.75/300 to get 0.31425 How can I press my calculator to get it pls
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Been watching a lot of your videos and I just have to say... you’re an amazing teacher and honestly explain physics a lot better than a lot of (my) professors. Thank you! :)
Are u in university?
i am and i can confirm@@of_te_n
BLESS YOU! U have cured my SHM depression
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Exactly
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@Kellen damn lol u got dis. i ended up w an A in calc 2 and takin calc 3 rn
This is almost a chapter review. Keep it up! Thank you very much!
Your a wonderful tutor, fluid mechanics was a challenge for me back then in uni, never really understood just read to pass.
Always really wanted to understand, watching your video as really aided my understanding and appreciate the practically application of the principles.
Thanks a zillion.
Thank you so much for making things so much simpler than how profs explain...these things go over my head in class but doing these problems with you really boosts my confidence!
do you know what class this is at your university if you're still there? we are learning this +more in our high school physics class so im wondering if ill have to learn the same thing again later
@@zo0m524 I was learning this material in my general physics class. I only had one physics class in college. Hope this helps!! Good luck with your studies :)
@@zo0m524 AP classes cover introductory college class content. So what you're learning in AP physics is likely similar to what a college freshman is learning in their physics class. Depending on how well you score on ur AP test, and which school you commit to, you may be allowed to skip a physics class in college.
@@zo0m524 It's normal to learn physics in high school, in mine it's mandatory to take it if you want to graduate but some will allow you to skip. In college, it's usually gonna just be the low-level physics where it just goes over the main important stuff about physics. I'm graduating in a few days and going to be majoring in physics and while I was talking with my advisor about what classes to take to get the degree, the first physics class is basically almost everything I covered this year in physics.
@@Andrew-fb8ph its not even AP physics though this is our honors class, our AP class is way way harder
Thank you, this was so helpful!! Also a quicker way for the last question is to use the formula T = 2 pi * square root of (m/k), and just rearrange for k since we have the other variables
I’m here the night before my AP Physics 1 exam 2020. Anyone else?
me
Good luck! I'm here for ap as well.
Nah, just trying to pass college physics now 😭
I just happened to be here because I got tried of Netflix bullshit and TV comedies. This is more entertainment for me.
Currently watching while doing my uni phys exam
God bless you, I swear you have helped me so much throughout the whole school year, thanks to you physics gets less and less confusing to me, thank you so much, I can't find a way to express my gratitude so I will just leave this here even if you never eventually notice it
Honestly I am aversion to all these formulae but after watching this video I can't have enough of it. Honestly I couldn't be better. Thank you so much you are so a life saver.
Yet again, youtube proves to be a better teacher than a 90m university lecture.
Literally can't thank this guy enough, and when it comes to UA-camrs, he is definitely up there with Kurtis Conner.
When I'm no longer a broke student, I will donate so much money to you. You have singlehandedly saved my academic career from high school to university. God bless you.
from organic chemistry to calc 2, to physics, you and you alone have saved my grades and made life so much easier, thank you from the bottom of my heart man
You make physics so easy to understand, and they’ve helped me so much with my exams. Thank you for breaking down complex concepts into simple explanations I truly appreciate your hard work. Keep up the great work!
Thank you so much! I always watch your videos for ALL of my classes, and ever since I've been getting all A's. Thank you thank you thank you!!
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I have never commented on your videos before.. even though I have been following you and referring you to others.. this lesson gave me a better understanding.. thank you so much
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Nice tutorial, you took all of them one after the other
This is a nice set of practice problems! However, the statement of Problem 3, should specify that the mass is the same in the two scenarios. Otherwise, if the mass is not the same, the cancelling method would not work. You can also use a method to find the mass itself in Scenario 1, it's 4.05x10^-3, and then plug it into Scenario 2 to find the frequency.
Thank You! The AP test is in two days and this is the last thing I don't understand
This was extremely helpful, thank you so much.
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your better teacher than my professors
For the second question, should Force = - k * x or Force = k * x? I've seen negative for SHM but noticed you just left it positive so I'm not sure
the minus sign is only required if you write the vector form of the equation, because the force vector is always pointing towards the equilibrium. In most equations you only care about the intensity of the force, not the direction, so you can leave the minus sign and just use F = kx
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This guy should be the role model of all STEM professors
3:48 Okay, I'm having difficulty finding the Spring Constant in a problem I'm working on. All I'm given is the mass (m=10kg) and the frequency (f=4 Hz) in a vertical simple harmonic oscillation. I need to find the frequency when the mass is 85 kg. How do I find k from here if I don't know x? Or I guess how do I find x from the weight and frequency? The only force acting on the object is gravity.
When m= 85kg
f= 1,372 Hz
Using same K= 6316,55N/m (drawn from the formula of frequency with the first given coordinates of m=10kg, f=4Hz )
Then use the same K found to substitute in the equation with the new mass of 85kg to find the frequency.
Yeahhh,because k is a constant,so you only need the mass and the initial frequency and the final one
You are so good, i must say
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At 5:42, why do we get to assume that the mass of the two springs is the same? If the second spring had a mass 4 times the mass of the first spring, wouldn't the frequencies be the same?
Thanks so much man!
You really helped me solve these harmonic quiz thank you very much.
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we can easily calculate t=2pi*root(m/k) and finally value of k
can you make one on how to find phase, and speed point using this equation?
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I was able to understand.thank you
14:08 God bless you, You don't know how much you've helped me
For question 1 part b
I got f = 31.4Hz
I did this with the eq. (1/2pi)(sqrt(k/m))
How do you know which equation to use? Because they both give different answers
Your equation is correct. You probably are making a calculation error.
300/0.75 = 400
sqrt of 400 = 20
20/6.28 = 3.18 Hz
@@MAXYANKEE5 where did you get the 6.8 from? (1/2pi) is 1.57 and 1.57x20=31.4
What more can I get before I can describe someone as an angel? You have been exactly that-An angel, any other word is an understatement. May God bless you and your family for your videos, I must confess, I have been richly blessed through them
It would be super cool if my teacher actually taught me this
@11:05 - 11.55Hz for frequency?
That what i am getting, he probably miss calculated
It's correct guys, 1/1.17 =0.85
How did you determine the formula for frequency, I noticed that the formula was different from example one than it was in example 2. F= 1/T vs Example 2, F= 1/2pie [K/m]
you're a good man
You're such a good tutor. Heart you Big.
Pls can someone explain to me how he calculated the 2π√0.75/300 to get 0.31425
How can I press my calculator to get it pls
All dout clear 😊 thanks alot
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can we put a(acceleration) in the formula instead of g(gravity) in the simple pendulum?
why tf do you need to do that
thanks for saving my aps
please can you make a video for centro-id gravity for engineering mechanics.thanks for your hard work..
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Thank you my man
Great work!!!!!!
Nice exercises for practice
is 4:41 incorrect because you took out the sqrt from the denominator and didn't flip the values? I got a much smaller answer
no its correct, type into calculator (1/(2pi)*(√1428.6/0.5) = 8.5072
Ya im getting 83.96Hz idk why
I got 83.96 too 😐
I wonder why at 4:43 you calculate the period differently than what you did in the first example.
Did you ever figure it out, you the only one who noticed lol
Yeah i think he was wrong there😂😂
He's doing the Inverse of T, because frequency = inverse of T
Bless your soul 🙏
In 4:30 the period supposed to be 0.117 and it supposed to be m/k not the opposite
No, you need to do the inverse of T. Frequency = inverse of T (1/T) therefore it's sqrt(k/m)
great work done