Potential Energy 

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Q1 .a-elastic energy b-kinetic energy c-gravitation due to accelerate d-kinetic energy Q2-given M-500g--500÷1000----0.5kg H-1m g-10 Soln. P.E=mgh = 0.5×1×10 =5j Q3 Both boys Aand B Have same P.E has they both reaches same hight

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11:38 Answer: 1. (a) Elastic (b) Potential (c) Gravitational (d) Kinetic 2.( 500/1000)kg*1m*9.8 =4.9J 3. Both have same potential energy, because it does not depends on path. Thank u sir.🤘😎

The form of Energy are: 1. Elastic potential to Combined Potential and Kinetic Energy going up, when it reaches the topmost part and has its sudden stop before dropping is Potential Energy, and while dropping it again acquires Potential and Kinetic Energy. Finally, when it lands and stop moving, its KE and PE are zero and assumes now Rest Energy. 2. 5 Joules 3. The boy who is in the escalator will reach the the first floor first and so his PE compared to the boy who took the stair will be more than the PE of the stair boy. however, when he also reached the same height of the escalator boy, both of them would have the same PE by then.

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ANSWERS: 1. Potential Energy and Kinetic energy 2. PE=M×G×H PE=0.5 Kg(500g) × 10m/s²(Gravitational force on Earth is 10m/s²) × 1m PE=0.5 × 10 × 1 PE=5 J 3. Both the boys will have the same potential energy as both of them have the same mass. The path taken to reach the first floor does not matter. So, the height also remains the same. Both of them are on Earth. So, the gravity is the same. Thankyou!

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Q1: A: Elastic potential energy ( the spring) B: since the ball falls from a height to the table and the ball slows down as it goes up it is Gravitational potential energy C: as we said in part B the ball slowed down as it went up so height increased. Now in part C the height is decreasing so kinetic energy Sorry if you didn’t get my explanation Q2: PE = mgh = 0.5kg * 9.8m/s * 1m = 4.9 joules ( J ) Q3: I agree with most of the others we need to know which one is higher the elevator or stairs? But let’s just assume they are the same so same potential energy

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1 a) elastic potential energy b) gravitational potential energy c) kinetic energy d) sound energy 2) 5J 3) same becuz no depend on pati only hight potential energy depends

A)elastic potential then gravitational then kinetic then it comes to rest and no energy B)500g/1000kg = 0.5 0.5kgx1mx9.81m/s^2 =4.9 J C)there is no difference in potential energy since it doesn't depend on the path and rather it depends on the height

Good videos! A couple of details: 1. The gravitational potential energy is not exactly “inside” the hammer.. if we look inside it would be identical to before (elastic energy can be said to be inside the rubber band..looking inside the molecules will be adjusted in various ways). We can imagine some kind of invisible force field between Earth and hammer and so the gravitational energy is stored in this empty space between and nearby. 2. The work energy done by the force depends on only the relatively small displacements of the projectiles meanwhile the force is acting when in contact with the pushing elastic, and is not related to the large distances moved by the projectiles. Once clear of the pushing elastic no more energy is given to projectile of course.

1) Elastic potential Energy 2) W= mgh = 0.5 × 10 × 1 = 5 J 3) Both are reach in same time , because energy is independent of path it is only depends on the distance ( s)

Q.1.(a) totally Elastic Potential Energy. (b) Gravitational P.E due to hieght. (c)P.E changes into K.E during down ward motion.But just before it hit the ground,the enrgy was entirely K.E. (d) P.F and K.E both becme zero as it hit the ground. Q.2. (5J) Q.no.3 They will have Equal P.E because it does not depend on the path followed But on the Hieght.

q1: a, Elastic potential energy as the spring had the potential to create energy or work. b, gravitational potential energy as the ball was at a certain height. c, kinetic energy as the ball is in motion. d, kinetic energy as again the ball is in motion. q2: if i take the value of g to be 9.8 then answer is 4.9 joules = 4.9 j q3: According to the situation we know the height is directly proportional to potential energy so greater is the height greater is the potential energy but in this question it is not mentioned weather the stairs are at a greater height or the elevator, usually in a building both the stairs and the elevator are at the same height so we can say that since both have same height both will have same potential energy.

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Saw many explanations of potential energy on RU-vid, but yours was the best! Very intuitive and easy to understand. Thank you very much🙏

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2ans- p=mgh M=500g M=0.5 kg g= 10 m/s^2 P= 0.5×10×1 P=5 joule 3 ans is-both have same energy because they are both at same height.

Incredible video of a concept my teachers continuously failed to explain!

(a) elastic potential energy (b) gravitational potential energy (c) potential energy (d)Kinetic energy 2.P.E=mgh m=0.500kg g=9.8m/s² h=1m P.E=0.500×1×9.8 P.E=4.9J 3.the same potential energy

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a)Elestic potential energy into kinetic energy b)5 joules c)both has same potential energy because elevator has elastic potential energy and stairs has gravitational potential energy so they both are one type of potential energy

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1 (a) p.e is in the compressed spring( b)p.e is stored in the ball (c) stored p.e starts changing into k.e (d) k.e is maximum in the ball 2. 5 joule 3. Same as p.e depend only upon the height and mass.

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1-EPE,GPE,KE,GPE 2-5J 3-potential energy depends on height not on path therefore they have equal amount of potential energy😶

Sir How can a body store potential energy in it?

Finally I understood the concept of potential energy⚡

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Q1 - (a) Potential energy (b) Potential energy (c) Kinetic energy (d) Kinetic energy Q2 - 5 J Q3 - Both have the same Potential energy

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HOMEWORK: Answer 1: (a) Potential energy as there is a change in configuration. (b) Potential energy as the ball is on a height. (c) Kinetic energy as it is falling (d) Potential energy as again it was on a height from the reference (i.e. the table) Answer 2 :(500g)(0.001kg)(10m/s^2)(1m)= 5 J Answer 3 :Both of them will get the same potential energy on reaching the top As potential energy depends on height to which a object reach not the way in which it come , if it comes to the same height as of th other one the potential energy will be equal of both of them..... BTW sir you are a very great teacher and an angel for me thanks a lot for this video I have understood all the concepts...Thanks a lot and please bring super amazing videos like this .... Regards: --- Naman Belwal ---

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Sir if we take a ball at a height of 4m and it comes at 3m. Here,will we take height as 1m(displacement) or just 3m ?

Q 1. (a) Potential as there is a change in configuration. (b) Potential energy as it is on a height from the plane. (c) It is also potential energy as thr ball is still on a height from the plane. (d) It is kinetic energy as now the ball is landed on the surface and it gains kinetic.. BTW You are the one which master our concepts thanks a lot... You teach very good thanks for your help and work sir..

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Q1=elastic potential energy and gravitational potential energy Q2=5J Q3= they get equal potential energy

1a.elastic potential energy b.gravitational potential energy c.kinetic energy d.kinetic energy 2. 5 joule 3.both are same Sir i like your videos very much it clears all my doubts about physics Sir please do reply

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(Answer of Q1) (a) elastic potential energy (b) gravitational potential energy (c) kinetic energy (d) sound energy (Answer of Q2) PE=m g h m=500g=0.5kg =(0.5 X 9.8 X 1)J g=9.8m/sq.s =4.9J h=1m (Answer of Q3) potential energy depends on mass, gravitational acceleration and height. As these things are the same for the two boys, both of them will have the same potential energy . The path of going doesn't matter in this case. 8

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OUTSTANDING EXPLANATION SIR

Answers : 1. a) Elastic potential energy b) gravitational potential energy c) kinetic energy d) kinetic energy 2. 5J 3. Both boys will have the same potential energy ( as it foes not depend on the apth taken to reach to a particular height).

can you make a video on the topic of conversion of energy? like explaining how the conversions happen ?

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1) a. PE (elastic) b. PE (gravitational) c. KE d. KE 2. (500g)(0.001kg)(10m/s^2)(1m)=5J 3. Boy "A" and "B" will get the same PE because the height and their masses are equal.

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