Free Fall Physics Problems - Acceleration Due To Gravity

This physics video tutorial focuses on free fall problems and contains the solutions to each of them. It explains the concept of acceleration due to gravity and provides the formulas and equation needed to solve each free fall problem. This video contains plenty of examples and practice problems.
Full 1 Hour 31 Minute Video:
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Direct Link to The Full Video:
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PDF Worksheet - 14 Questions:
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Physics PDF Worksheets:
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[@TheOrganicChemistryTutor]

Physics PDF Worksheets: www.video-tutor.net/physics-basic-introduction.html Full-Length Videos & Exams: www.patreon.com/MathScienceTutor/collections Full 1 Hour 31 Minute Video: www.patreon.com/MathScienceTutor Direct Link to The Full Video: bit.ly/3vBkbcH

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Could you help a homeschool mom out? My son is 9, and we are doing basic physics. We were doing simple volume and density expirements, but got stuck on multiplying a fraction that had a prime number. A cube was 1 3/16, so we multiplied 3/16*3/16*3/16 = 27/4096... but I cannot for the life of me simplify this! Any help would be greatly appreciated 🙏

[@meswag1233]

@@angelaearley1639 you can’t simplify 2 prime numbers by definition. 27/4096 is already in simplest form

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@@meswag1233 thank you! I was feeling crazy and thought maybe I had missed something. We did end up using decimals to keep it simple.

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π

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8:46 In this problem you could do -9.8*5 and get the same answer without doing any other work. This won't work in all instances but the reason it's possible here is because if the ball accelerates -9.8 m/s^2 meaning the velocity increases -9.8 every second and there are 5 seconds.

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The short method to solve the problem is to use this equation :v²=u²+2gh.Solving this equation : v²=u²+2gh v²=0×t+2×9.8×700 v²=0+19.6×700 v²=0+13720 v²=13720 Taking root of both sides. √(v²)=√13720 v=117.132 Thus final velocity is 117.132...

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He stopped unfortunately

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You're welcome!

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plz add more video on biology course... like Genetics....

[@mrrutledge1967]

Set an accelerometer at what you call "rest" . It will be reading 9.8 m/s. Now put it into freefall and it will read 0. Motion creates the buoyancy and density effects which cease to exist in freefall. You might want to start questioning and doing some simple observations if you're going to be trying to teach.

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THANKS MY TUTOR

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Hello, I noticed that in one of your equations where the ball falls of from a cliff downwards, you said that the gravity is -9.8 which i think is wrong because the gravity is acting downwards in the direction the ball is falling which means the gravity should be positive

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No sorry

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@@hustlers-peak okay…

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To those of you watching without hitting a like, pls just tap on that like to support ORGANIC CHEMISTRY on the great work hes doing to teach us.🙂

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i got a final exam in 2 days 😭😭 thank you for carrying me through my physics and chem courses

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how long does it take to hit ground? 21:20 speed when/before hit ground? 22:30 height of cliff? nilai dia neg 19:20 17:23 height building 11:56 thrown with u tk zero

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wow when I am making sums with him, even though the syllabus has a little differences between what he teaches and what’s available in our books me: yes that’s right too (answers correctly before he does the sum) vs me: (in class) why cant I think properly I did this, pls god help me, dont do this to me *mental breakdown* what have I done to be like this? pls save me save me. am I dumb? types "am I dumb I cant understand physics in quora” instantly watches JG again

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I'm also worried; he hid his subcount too

[@mahmoodalaryash_8069]

In question 3,it says “and hits the ground” If it hits the ground doesn’t that mean that vf=0 Bc if it hits then it’s gonna stop,right?

[@PenandPaperScience]

The force of gravity pulls harder on heavier objects, but heavier objects need more force to be accelerated. For gravity, these effects cancel each other out. :)

[@LusoPatriot77]

Dear Mr. Organic chemistry tutor, Would you be able to do some videos covering vector calculus - topics such as stokes and green theorem and so forth?

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for your biology series can you do "hardy-Weinberg equilibrium" questions

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dude thank you so much for this video. i have a physics test tomorrow and im finally understanding it!

[@justinlcosby]

Im in the process of disproving this right now. They do not hit the ground at the same time and they are not under the same force. The force they are under is the combined force of the gravitational of the Earth plus the seperate gravitational pull of each steel ball. The effect is tiny especially compared to the gravitational pull of the Earth. It does however exist none the less.

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I have a doubt in the last problem. The second subdivision in the question states that the velocity of the ball just before it hits the ground ,but we have found the time 11.95s where the ball hits the ground

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My the God almighty bless you sir for helping us 👍👍🙏🙏❤️❤️

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D=vt (constant speed) F= u+at (acceleration)

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[@blackburgundy1659]

another way i like to think of the difference between speed and velocity, velocity has direction so it can be negative and positive (vector) , but speed is just how fast it is going think of it like directionless velocity, it is scalar

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You're a genius

[@jamesmark1786]

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[@educereeverything4980]

Where are you pls continue 😕😕😕😕

[@chassse_atl]

I feel like the men who is explaining in every video og every subject is literally know everything

[@user-hv6ef9ie1g]

9:02 This is why i don't like introductory(?) physics. We can literally get different answers by using different equations in the "4th big equations". If we use the formula s(t)=1/2(a)(t), we would get s(5)=(-4.9)(5^2)= -122.5. Since distance is a scalar, then we can just remove the negative sign and get 122.5. Since the definition of speed is distance over time (speed=distance/time), then speed=122.5/5 = 24.5. This SHOULD be true because all i did was using the definition. However, the video uses velocity final and speed interchangeably, which also make sense to me. So which one is correct then? Can somebody explain it to me why i got different answers? EDIT: I'm 101% sure mine is correct since multiplying my answer by 5 will give the exact distance, while multiplying the video's answer by 5 would give a different distance (feel free to correct me btw). I think the flaw in the video's answer is that it uses velocity and speed interchangeably. While sometimes it can be used interchangeably, but as we can see here that it doesn't work for this problem because the answer shows the velocity at that exact moment (velocity final), not the avg velocity. Nonetheless, i still believe he's more knowledgeable than me.

[@voodooblue6162]

How to be like you who knows everything in STEM subjects and also teaches them so well? Did you practice them a lot in college? Or are you naturally good at science and math subjects?

[@jamesmark1786]

𝗗,𝗢,𝗡',𝗧. 𝗙,𝗢,𝗥,𝗚,𝗘,𝗧. 𝗧𝗢. 𝗦,𝗨,𝗕,𝗦,𝗖,𝗥,𝗜,𝗕,𝗘. 𝗪_𝗛_𝗔_𝗧_𝗦_𝗔_𝗣_𝗣,. 𝗠𝗘 𝗙𝗢𝗥 𝗚,𝗨,𝗜,𝗗,𝗜,𝗔,𝗡,𝗖,𝗘. 𝗢𝗥 𝗜,𝗡,𝗩,𝗘,𝗦,𝗧,𝗠,𝗘,𝗡,𝗧,𝗦. +_/𝟭_/𝟳_/𝟭_/9_/2_/9_/𝟰_/𝟮_/8_/8_/5_✅

[@mamertote2940]

Velocity did not decrease downward. The negative only indicates that direction of the vector is downward

[@jovizai4593]

Bruh he hasn't posted for at least 2 months I'm scared and crying rn

[@jovizai4593]

Hope you are ok

[@ahmedsarimsiddiqui4912]

Nice😎 Really happy today!!! Thanks

[@funnygibbongaming553]

Mans a life saver got a 74 on test cheers

[@AmmoBops]

I legit got every single problem right In this video From watching like 3 videos of yours on intro to physics (kinematics and stuff). I didn’t even know wtf was going on like 2 hours ago Wow 😂thx

[@fhaery1202]

This channel produced huge amounts of engineers🤯

[@bobhydro913]

Man i was gonna be a free fall problem off my schools fifth floor if you didn't make this video.

[@lameloball2399]

a weather balloon is floating at a constant height above earth when it releases a pack of instrument. A. if the pack hits the ground with velocity of -72.5 m/s how far does the pack fall? B. how long does it takes for the pack to fall? send help :3

[@arslanmoghal5472]

Very well explained. Thank You 👍👍

[@_mqst.9640]

Which curriculum do you post on this channel US or UK secondary certificate or else or post high school topics??

[@teamaabel1898]

this right here is the goat

[@mahalaxmi4845]

This channel helping me lot for my higher stydies Please upload a full session about sound it would be very helpful for my final exam..... Thank u so much for ur help...

[@krrishkumar7312]

Wow I don't have words for your amazing teaching relly you are ossam..🇮🇳

[@fareebaahmed1942]

I am very happy Got the topic I was searching almost half of the day😅🎉🎉

[@espresso_wanderlust03]

Thanks

[@johnlesterdelosreyes3911]

Happy Teacher's Day Professor JG!!

[@jakelimbo1843]

all the examples you gave were dropped from the top of something, what happens when you throw something from the ground? does the a will change sign?