# Practice Problem: Kinetic and Potential Energy of a Ball on a Ramp

Practice Problem: Kinetic and Potential Energy of a Ball on a Ramp

Look at this nifty ramp you made! Let’s roll some stuff off of it, shall we? Good thing we know all about potential energy and kinetic energy, because that will allow us to calculate all kinds of things, like the velocity of the ball at any given point.

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thanks dad ur the best

So when an object falls does kinetic energy increase,decrease,or it stays the same?

Thank you 😊

what about the rotational kinetic energy? do we consider it here?

Great professor

i did it in a slightly different way but got the same answers. i just thought that since work done in a gravitational field is independent of the path taken, i just did the math to find out how much work was done to get the ball to point A and B respectively, equate that to the kinetic energy and find out the velocities. got the same answers.

What about centripetal velocity? Would it be the same as the calculated one through conservation of energy?

How do you find the ke if you don’t know how tall the ramp is

thanks

Thank you very much sir.

This is so hot

I still dont get it. I need to see all the math equations.

another question that i can solve

POV: You’re in Grade 8.

THE BEST I FOUND

THANKSSSS 💙

You should’ve wrote the solutions. Of some of them..

So I can easily get it😢

Cool!

That was fun. Thanks. I love energy

God i love this shit

thank you！

Thanks dad

Does this experiment assume that the ball stops when it lands after leaving the ramp? Otherwise wouldn’t the total kinetic energy continue through the roll?

Most satisfying video. Thank you so much.

if that inclined plane has been linear(straight) , circular , or something else, would not that affect the speed at the lowest point?

Thanks Sir, for clearing my Concept…🙏🙏 Love from India ❤ Sir I find Difficulty in using Law of Conservation of Momentum 😔😭 how to use

thanks

Thanks professor Dave!

3.14 is the answer

Super sir

U r such amazing sir🤩😘😘

Thanks so much, Professor Dave!

Thanks Professor Dave this will be on more tool to help my students as we come to grips with distance learning.

Thanks you propisor dave

thanks you love from poland <3

Sir please achche se samjhaiye

it shouldn’t be 7.02. it is exactly 7. check it again

Man, add more videos to your classical physics playlist and this

Why didn’t you take rotational energy into account

still blank how to calculate the last step to get velocity

why so many dislikes on this one?

Um I don’t really get it but okayyyy

🖕🐕💩

Welcome to grade8 AHAHAHAHAH

Sir while rolling it has rotaional kinetic energy also , is it used to convert into potential energy

ty daddy

Please can you explain it in easy way

Thank you Dave

Excellent