Dynamics - Lesson 7: Projectile Motion Introduction Example

[@chasegregory1328]

You're the only teacher that makes engineering classes fun. Thank you for all the videos!

[@Spicii9896]

I know I'm 6 years late but I have to say he makes it so understandable and easy to follow, and my first Language isn't even English haha

[@cody4478]

I'm in Dynamics right now, it sucks this is your second to last video but I appreciate all of the hard work Dr. Hanson! You got me through solids and statics.

[@dawooddawood3158]

I am so grateful for all your hardwork Dr. Hanson, I wish professors in my university put in half as much effort in teaching! You have helped many many students like me! Thank you.

[@ahmeddeghady4510]

Couldn't Find any better mechanics professor than You! I got a good grade on statics (thanks to your lessons) And I hope You complete recording rest of dynamics lessons by the end of the semester. By all means, Thank You.

[@TripleM896]

Your are my first teacher in dynamics ,thanks you'r great

[@sandrahernandez4643]

I love your videos, but I was wondering when the rest of these would be released? Currently taking dynamics

[@pumawombatDOG2]

Same here, I can't find anyone else on KZbin that matches his caliber of teaching.

[@georgesadler7830]

Professor Hanson, thank you for a classic selection and analysis of Projection Motion in Mechanics Two. This problem is well known in Physics.

[@MoSweiti666]

Thank you very much, Dr. Hanson! You' saved me in Statics, you'll save me in Dynamics

[@timdijkstra8247]

from Uni Twente in the Netherlands thanks for the video, it really helps understanding the subject

[@redshell3998]

Thank you so much for the free resources!

[@IKTimur]

Спасибо! Рахмат! Thanks!

[@abood700na]

Thanks a lot, your explanation is great

[@robertosanchez9860]

"That marker's piynk"

[@davidsanti-barkus8113]

when breaking down velocity into x and y components, shouldnt there be cos and sin there?

[@malakihmeidan9839]

since there was no angle given you cant do it with sin and cos, the other way to do it is with similar triangles (how he did it). If there was a theta given you would use sin and cos

[@talalm4246]

Why didn’t we use Vy=V0+act where final velocity in Y direction is zero and we solve for time

[@GTexxClub]

Does your calculator use voice recognition cause how did you input those quadratic figures lol

[@johnnyc2473]

What if your not given the angle. Your only given the height of the building, the horizontal acceleration, and gravity?

[@nicklabriola6474]

Thank you!

[@thebigtipper]

very helpful

[@HrushikeshNaik1650763n73]

nice explanation

[@n.sakina5856]

Thank you so much Dr !

[@davidcortezchuks6467]

What textbook do you use sir? Or would you recommend?

[@dawooddawood3158]

I think he uses R.C Hibbler's Engineering Mechanics Dynamics

[@Aviationinmymind]

Isn't air resistance also causing acceleration on the projectile? It has X and Y components.

[@moreywilkerson8378]

yes, you would ignore friction

[@10111115]

I love your teaching style. You teach it like a good ol boy would understand

[@pananaweKing]

what about solid class? its been a month :(

[@mohamedabdirashidhersi1631]

DR. at 5:35 i think [ VY=vsin 3/5 -gt ] not VY=VSIN3/5 ANY WAY THANKS { and my final answers are T=18.06sec D=2167.2 metre

[@dirtyharrysgun2020]

You're right

[@jeremychee173]

The last problem I believe you forgot the second term of the distance equation (1/2*at^2). The answer should be 448.57m the value in the video is almost a mile and a half.

[@moreywilkerson8378]

you sent this a while ago, but because wind is ignored the Vertical accelleration is zero.

[@MotivatinalBreeze]

works well for my ADHD ;) with all theses sounds making

[@aljelynevardone3413]

why can't I download this video?

[@desmondolayinka2347]

Why is gravity negative

[@zandiviljoen146]

sir you forgot about the build up of kinetic energy hahahahaha

[@lukedimitriades9835]

“Because gravity sucks, right”😂😂

[@jayzi2112]

it really "sucks", pun intended =)

[@lameckbenestamasau9527]

Why is the accerelation negative

[@Jeff-xy7fv]

Because gravity pulls down; not up.

[@thenatmann1]

at the end he's like: "let's work one that's a little bit harder"... I'm like: "Nooooooooooo!!!!!!...... ok...."

[@jacooosthuizen5589]

Hi is there a possibility you could solve a problem i have ?

[@katyar4883]

The thing is, I understand this example so easily but the homework is not like this.

[@rohan.shinde]

sound of the video is too low, please do update it

[@HrushikeshNaik1650763n73]

though today its november 16. you have written november 11

[@1234jhanson]

Hrushikesh Naik now you’re getting very picky! You’re right, I forgot that.

[@djmaster41]

it could still be the same day you never know!

[@normaulloa4483]

Hi Jeff hey I'm confused why do you plot 150 as the initial position to find t and why you didn't to find the final position instead you use zero? 🤔