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# Work Energy Theorem

## 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

## Explain Work Energy relationship in brief

Asked by Dibyendu 15th October 2017 7:03 PM

## 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

## 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

## Is work energy theorem applicable in case of variable force ?

Asked by aayush 15th December 2017 8:32 PM

## 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

## 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

## 29h ques

Asked by lovemaan5500 27th December 2017 1:35 PM

## 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

## What is work energy theorem explain it by giving a proof?

Asked by Singhab46996 21st July 2018 4:53 PM

## 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

## 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

## Please explain me work energy theorem with its proof

Asked by Sanyajbp 3rd March 2019 10:24 PM

## 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

## 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

## 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

## 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

## state and prove worh-energy theorm

Asked by karamvirsingh79 20th October 2019 5:09 PM

## 2 question

Asked by Harshhacker2580 30th April 2020 6:03 PM

## plz elaborate by figure and step by step question no 2

Asked by Harshhacker2580 4th May 2020 5:31 PM

### CBSE XII Science Physics

Asked by skmoin216 12th September 2020 1:40 PM

## can you help me to answer these question.

Asked by swatipuspapatel 14th October 2020 10:49 AM

## Define and deduce the following expression: (i) Kinetic Energy (ii) Work energy Theorem

Asked by nitika258369 11th November 2020 9:28 AM

## 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

## 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