CBSE IX Physics Work and Energy
An object of mass 50kg is raised to a hight of 10m above the ground. Find the potential
energy of the object at the higest point. If the object is allowed to fall freely, what is its kinetic energy when it is half way down? give reason to justify your answer.(g=10m/s)
Asked by nileshpatel19752000
9th March 2015
11:09 AM
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ICSE VI Physics Work and Energy
Explain Work Energy relationship in brief
Asked by Dibyendu
15th October 2017
7:03 PM
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ICSE X Physics Work, Energy and Power
A coolie X is carrying a load on his head climbs up a slope and another Y carrying the identical load on his head moves the same distance on the frictionless horizontal platform.Who does more work? Explain the reason
Asked by Prameela
16th October 2017
10:10 PM
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Karnataka VIII Science Energy and its Forms
WRITE THE QUANTIES ON WHICH :
1. THE AMMOUNT OF WORK DONE DEPENDS
2. THE POWER OF A BODY DEPENDS
3. KINECTIC ENERGY AND POTENCIAL ENERGY OF AN OBJECTS DEPENDS.
Asked by Sushma
12th November 2017
1:27 PM
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NEET1 ALL Class Physics Work, Energy and Power
Is work energy theorem applicable in case of variable force ?
Asked by aayush
15th December 2017
8:32 PM
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CBSE IX Physics Work and Energy
Calculate the power output of a gun which fires 30 bullets of 100g each with a velocity of 500m/s in 10s.
Asked by aahnik.mohanty
19th December 2017
9:04 PM
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CBSE IX Physics Work and Energy
Prove that the increase in kinetic energy of a body=work done by the force on the body.The velocity of the body is increased by applying a constant force for some distance in the direction of motion.
Asked by aahnik.mohanty
19th December 2017
9:13 PM
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ICSE X Physics Work, Energy and Power
29h ques
29h ques
Asked by lovemaan5500
27th December 2017
1:35 PM
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CBSE XI Science Physics
consider a rain drop of rain water having mass 1g falling from a height of 1km. it hits the ground with a speed of 50m/s . take 'g' constant with a value 10m/sec.square. The work done by the [a] gravitational force and the [b] resistive force of air is ?
Asked by PARDEEP
31st March 2018
3:43 PM
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ICSE X Physics Work, Energy and Power
What is work energy theorem explain it by giving a proof?
Asked by Singhab46996
21st July 2018
4:53 PM
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ICSE VIII Physics
Is the energy spent on thinking or talking a kind of work ? Give reason for the answer.
Asked by prashadveena
24th July 2018
5:29 PM
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Maharashtra IX Physics
An electric pump has 2kW power. How much water it can lift every minute to height of 10m?
Asked by sagareharsh123
20th September 2018
4:31 PM
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ICSE X Physics Work, Energy and Power
A force is applied on a body of mass 20kg moving with a velocity of 40m/S .The body attains a velocity of 50 m/s in 2s.calculate the work done by the body.
Asked by Mail.nehasharmaa
19th February 2019
10:13 AM
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ICSE X Physics Work, Energy and Power
Please explain me work energy theorem with its proof
Asked by Sanyajbp
3rd March 2019
10:24 PM
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ICSE X Physics
A body of mass 500g moving with 10ms^-1, increases to 20ms^-1 when acted upon a force.Find (i) the chane on Kinetic Energy (ii) the work done by the foorce (iii) name the theorem based on the same
Asked by rsankit1221
11th July 2019
9:35 PM
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CBSE XI Science Physics
A block of mass 10 kg is suspeneded with a long rope.A bullet of mass 50g moving at 0.3km/s hits and gets embedded int that block.What will be the vertical rise of the block?(g=980 cm/s2)
Asked by suchananag2002
24th August 2019
11:19 AM
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ICSE X Physics Work, Energy and Power
The bob of a simple pendulum is released from rest from one extreme end of a vertical height of 2cm above its mean position.Assuming 60% loss in energy, find the velocity of the bob at its mean position.
Asked by cbiswajit
20th September 2019
11:03 PM
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NEET NEET Physics
A particle is suspended using thread of length L. If V(L)= √(3gL), then find maximum height attained by the particle.
Asked by patra04011965
9th October 2019
7:59 AM
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CBSE XI Science Physics
state and prove worh-energy theorm
Asked by karamvirsingh79
20th October 2019
5:09 PM
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CBSE XI Science Physics
2 question
Asked by Harshhacker2580
30th April 2020
6:03 PM
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CBSE XI Science Physics Work, Energy and Power
plz elaborate by figure and step by step question no 2
Asked by Harshhacker2580
4th May 2020
5:31 PM
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CBSE XII Science Physics
I need answer
Asked by skmoin216
12th September 2020
1:40 PM
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CBSE IX Science
can you help me to answer these question.
Asked by swatipuspapatel
14th October 2020
10:49 AM
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CBSE XII Science Physics
Define and deduce the following expression: (i) Kinetic Energy (ii) Work energy Theorem
Asked by nitika258369
11th November 2020
9:28 AM
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CBSE XI Science Physics Work, Energy and Power
A small spherical object having density 2P is placed inside the liquid of density P and connected to an ideal string of length l whose other end is kept fixed so that the object can move in a vertical cirlcle, minimum speed which must be given at the bottom to just complete the vertical circle.
Asked by dhruvund8769
4th February 2023
11:41 PM
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JEE Main Physics Work, Energy and Power
A wooden block weighing 80 N rests on a rough horizontal plane, the coefficient of friction between the two being µ=0.4. If a bullet weighing 0.4 N is fired horizontally in to the block with muzzle velocity v= 500 m/s, how far will the block be displaced from its initial position? Assume that the bullet remains inside the block.
Asked by theavengers0203
24th May 2023
8:40 AM
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CBSE IX Physics Work and Energy
calculate the amount of work required to stop a car of 1000kg moving with speed of 72km/h
Asked by sadhanaasadhanaa67
4th February 2024
12:27 PM
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