This really helped me out in my physics class at my college because I didn’t understand the lecture materials at all and was just stuck for what felt like an eternity
thank you for this video, i have been struggling with physics at my university and now is more clear to me hoy to do dimensional analysis, god bless you sir, have a wonderful year!
Thank you for doing this video, literally just come from my analytical studies tutorial and as per it's not failed to make me feel 1 inch tall, I'm on my foundation year, this is how it should be taught l.
As someone who has been battling with dyslexia my entire life this video explains dimensional analysis very very well! I have looked at other videos and I have only grasped very little. Thank you. Looking forward to watching your other videos.
What would be the unit if the variable appears in mathematical power in exponential terms. For example, e^(alpha * t) is on side of the equation. Should the its dimensions always be nullified by the constant that comes with it?
When a variable appears as the argument of an exponential, trigonometric, logarithmic, or hyperbolic trig function, the overall argument needs to be dimensionless, so any constant that appears in the argument needs to cancel the dimensions of the variable out. So, in your example, e^(alpha*t), alpha would need units of inverse seconds (like frequency or angular frequency.)
i didn't get it in class , now am fine The lecturer wrote t=klmgn where m is index for l and n index for g , asked us to find the values of m and n help me pleasee
In most of the introductory examples, yes, because most of the equations in the next section are kinematic and thus use position/displacement, velocity, and acceleration.
The arguments of trig functions need to be unit-less. As a result, if you have something like y=A*sin(wt) where w is the angular frequency and t is time, then the units of w and t need to cancel out. Since t will be (in SU units) seconds, w needs to be (seconds)^-1 or radians per second.
Sure it is. It is also a useful conversion factor as well. It's not an equation in the algebraic sense with multiple variables, but it is an equation demonstrating an equivalency.
Speed/velocity has units of L/T. Speedometers on cars are either miles per hour here in the US or km per hour in most other places. That is length per time. Acceleration is the rate at which velocity changes with respect to time, or length per time, per time, or L/T^2.
@@VH33GOAL8 www.csun.edu/science/ref/measurement/units/units.pdf See the reference sheet above. Speed/velocity units are those of distance/time, while acceleration is how that changes with time. I wouldn’t normally argue a point like this, but this is an educational channel mainly for college students.
This really helped me out in my physics class at my college because I didn’t understand the lecture materials at all and was just stuck for what felt like an eternity
This video needs more exposure. Thank you.
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Bless you and your family! This was actually really informative and interesting. Sir, you wouldn't believe how much you have helped me!
Glad it helped!
thank you for this video, i have been struggling with physics at my university and now is more clear to me hoy to do dimensional analysis, god bless you sir, have a wonderful year!
alhamdulillah. thank you prof
Thank you for the video and keep on doing the good work
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Thank you very much! Much better explained then in my textbook!
Thanks to you, I've finally made my homework. Thank you.
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Wish my physic tutor was you.
Well explained...thank you and may GOD bless your carrier.
A great lecture thank you :)
Wow you are the first teacher to make me understand this topic❤
Glad you found this helpful!
Hi folks, to those who are finding this video useful, what other specific topics would be helpful to cover?
Galilian invarians
@@standingsheaf993 I’ll see what I can do.
Agula motion
very helpful. Thank you!
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Thank you, i was struggling understanding it at my university and you helped me.
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Glad it helped!
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I have exams on Friday and I didn't have a clue on dimensional analysis
Thank you for doing this video, literally just come from my analytical studies tutorial and as per it's not failed to make me feel 1 inch tall,
I'm on my foundation year, this is how it should be taught l.
Glad it was helpful!
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Thank you so much sir your explanation is better than my teacher.
you simply this well done. I have seen others make it so complex
🙏
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As someone who has been battling with dyslexia my entire life this video explains dimensional analysis very very well! I have looked at other videos and I have only grasped very little. Thank you. Looking forward to watching your other videos.
I appreciate your response. I’m glad to know folks are finding the content useful in their studies. Best of luck!
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What would be the unit if the variable appears in mathematical power in exponential terms. For example, e^(alpha * t) is on side of the equation. Should the its dimensions always be nullified by the constant that comes with it?
When a variable appears as the argument of an exponential, trigonometric, logarithmic, or hyperbolic trig function, the overall argument needs to be dimensionless, so any constant that appears in the argument needs to cancel the dimensions of the variable out. So, in your example, e^(alpha*t), alpha would need units of inverse seconds (like frequency or angular frequency.)
Byiza cyane
Thank you sir this really helped me in revising for my test
Glad it helped!
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i didn't get it in class , now am fine
The lecturer wrote t=klmgn where m is index for l and n index for g , asked us to find the values of m and n help me pleasee
is it only length and time that are used
In most of the introductory examples, yes, because most of the equations in the next section are kinematic and thus use position/displacement, velocity, and acceleration.
hadir boss
How do i analyse SINCOSTAN?
The arguments of trig functions need to be unit-less. As a result, if you have something like y=A*sin(wt) where w is the angular frequency and t is time, then the units of w and t need to cancel out. Since t will be (in SU units) seconds, w needs to be (seconds)^-1 or radians per second.
❤
Thank you so much sir, but I'm a bit confused on how one of the units was left out.
Can you give a time-stamp of where in the video you are referring?
@@garrisonturner5670 I think he means around 8:40
@@billyrose100 if that is the correct time, there was a square in the denominator, I erased it because it canceled with the T in the numerator.
can you teg me in your next video conversion of units
Is there a specific part of unit conversions that is confusing? I might be able to help.
Literally have an exam in 20 minutes
Is x always equal to l?
Generally in physics, especially related to motion, yes, x, y, and z represent spatial coordinates and therefore carry dimensions of length.
noice
GOAT
Even a baby can get it. Elite level of teaching. wish best for you
@@mehmetsahapdonmez7897 Thanks!
Why are you always adding a T²
Because it’s better than adding a T^3… just kidding 😆.
It’s because acceleration has units of distance per time-squared.
This is my biggest problem in physic 😢
So, 2000 pounds = 1 ton is not an equation?
Sure it is. It is also a useful conversion factor as well. It's not an equation in the algebraic sense with multiple variables, but it is an equation demonstrating an equivalency.
If v=u+as show that this equation his dimensionaly incorrect 😊
L/T=L/T +L/T².L
LHS #RHS
Incorrect
Acceleration is L/T and not L/T^2 if am not mistaking sir
Speed/velocity has units of L/T. Speedometers on cars are either miles per hour here in the US or km per hour in most other places. That is length per time. Acceleration is the rate at which velocity changes with respect to time, or length per time, per time, or L/T^2.
you are mistaking my guy thank you
@@VH33GOAL8 www.csun.edu/science/ref/measurement/units/units.pdf
See the reference sheet above. Speed/velocity units are those of distance/time, while acceleration is how that changes with time. I wouldn’t normally argue a point like this, but this is an educational channel mainly for college students.
@@garrisonturner5670 i think Gilbert was replying to Daniel, the original commentor.
@@theeditaesthetic you are correct. I didn’t realize they were different commentators! My sincerest apologies!
شكلي الوحيد عربي هنا👀
I'm too later for tNice tutorials, I'll be back stoned...
You spelled “is” wrong