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CBSE Class 9 Answered

what is potential energy  
Asked by milind.golu | 27 Dec, 2018, 10:46: PM
answered-by-expert Expert Answer
The potential energy of a body is due to its higher position above the earth and it is equal to the work done on the body, against gravity in moving the body to that position. 
Answered by Sivanand Patnaik | 28 Dec, 2018, 10:04: AM

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CBSE 9 - Physics
1)state energy conversion takes place in hydroelectric power plants? 2)an object of mass 1kg is falling from a height of 10 m. Calculate i) the total energy of object at h=10m ii) Potential energy of an object when h=4m   3)Name energy transfers which occurs when a)an electri bell rings b)someone speake into a microphone c)there is a picture on television screen d)A torch is on  
Asked by mailtoparvathyprajith | 08 Feb, 2024, 12:32: PM
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CBSE 9 - Physics
3)A body does 20 joules of work in 5 seconds what is power
Asked by mailtoparvathyprajith | 06 Feb, 2024, 09:00: PM
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CBSE 9 - Physics
difference between kinetic energy and potential energy
Asked by mattooamit4u | 28 Nov, 2023, 12:36: PM
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CBSE 9 - Physics
define kinetic energy
Asked by topperlearningforcontent | 31 Jan, 2022, 10:14: AM
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CBSE 9 - Physics
An elevator is designed to lift a load of 1000 kg with uniform velocity of 2m/s . Power of the elevator will be?
Asked by tajbindarkaurs | 14 Nov, 2021, 10:19: AM
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CBSE 9 - Physics
if we increase kinetic energy by 20%, then find percentage increase in linear momentum
Asked by kaziryan.05 | 19 May, 2021, 07:43: AM
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CBSE 9 - Physics
a bus of mass 10000kg with a velocity of 90 km/h. calculate work done to stop the bus
Asked by parthmalikschool | 24 Nov, 2020, 12:45: AM
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CBSE 9 - Physics
define kinetic energy
Asked by swatipuspapatel | 31 May, 2020, 12:23: PM
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CBSE 9 - Physics
what is kinetic energy
Asked by matoriark | 29 Mar, 2020, 02:21: PM
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CBSE 9 - Physics
Hi, my name is Aprameya i had a doubt we know K.E.(Kinetic Energy) = (1/2)mv^2 the v over here is velocity but at what time. Velocity will be different at differnt points of time i mean at 1second it might be something and and at another second it might be something else. so while calculating which velocity do we use
Asked by aprameyachaubeycr7 | 23 Mar, 2020, 02:01: AM
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