### CBSE IX Physics Work and Energy

## How to find Work done by drag force in the air?

### CBSE XI Science Physics Gravitation

## Equilateral triangle with each corner havung a mass m each, if we double the size of the triangle. Work done by external agent in doubling the size is?

**Amyra B**9th November 2014 8:09 AM

### CBSE XII Science Physics Electrostatic Potential and Capacitance

## Two point charges A and B of values 5*10C and 3*10C are kept 6cm apart in air .calculate the work done when charge B is moved by 1cm towards charge A . [ with simple explanation and diagram ]

**yash.bisht9910**6th June 2015 12:17 PM

### CBSE XII Science Physics Electrostatic Potential and Capacitance

##
Two point charges A and B of values +5x10 to the power of minus 9 C and +3x10 the power of minus 9 C are kept 6cm in air. Calculate the work done when charge B is moved By 1 cm towards the charge A.

Two point charges A and B of values +5x10 to the power of minus 9 C and +3x10 the power of minus 9 C are kept 6cm in air. Calculate the work done when charge B is moved By 1 cm towards the charge A.

**JASKAMAL KAUR**13th June 2015 11:53 AM

### CBSE XI Science Physics Work, Energy and Power

## If the angle between F=2N and displacement d=4m,angle is 45 .find the work done by this force.

**thakursonali2000**27th August 2015 7:00 PM

### 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

**Prameela**16th October 2017 10:10 PM

### CBSE IX Physics Work and Energy

## Please answer question no 4 with proper explanation

**adityaahuja099**13th November 2017 8:03 PM

### CBSE IX Physics Work and Energy

## Please provide the solution to question no 8 with proper explanation

**adityaahuja099**15th November 2017 8:47 PM

### NEET1 NEET1 Chemistry Thermodynamics and Thermochemistry

## Q.

**Arushi Juyal**16th December 2017 7:35 AM

### 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.

**aahnik.mohanty**19th December 2017 9:04 PM

### 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.

**aahnik.mohanty**19th December 2017 9:13 PM

### CBSE XII Science Physics Electric Charges and Fields

## two point charges q1 nad q2 are placed at a distance r1 and r2 respectively in an external electric field . obtain an expression for total work done in assembling this configuration?

**vasturushi**25th December 2017 7:05 PM

### CBSE IX Physics

## It takes 20s for a person A to climb up stairs while the other person B does the same in 15s. compare the (1) work done (2)power developed by person A and B

**Muruga**19th February 2018 8:23 PM

### CBSE XII Science Physics

## Please solve the following

**Balbir**27th February 2018 9:11 PM

### CBSE XII Science Physics

## Plaese answer the following question

**Balbir**27th February 2018 9:20 PM

### ICSE X Physics

## Write the expression for the work done by constant force acting on a body, which gets displaced from its initial position in a direction different from the direction of force

**Aditya**14th March 2018 11:33 PM

### ICSE X Physics

## What should be the angle bw the force and displacement to get the minimum work

**lovemaan5500**15th March 2018 7:30 AM

### 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 ?

**PARDEEP**31st March 2018 3:43 PM

### JEE Plances JEE (Main) Physics

## Pls solve

**g_archanasharma**28th April 2018 8:59 AM

### CBSE XII Science Physics

## can you move a charge in an electric field without work done and how?

**my3shyll**9th May 2018 10:59 PM

### CBSE XII Science Physics

## Two charges +q and -q are located at points A [0,0,-a] and B [0,0,+a] respectively. How much work is done in moving a test charge from point P [7,0,0] to Q [-3,0,0] ?

**pardeepkumar2281**9th May 2018 11:08 PM

### CBSE XI Science Chemistry Thermodynamics

## A system absorb 20 kJ heat and also does 10 kJ of work. The net internal energy of the system is :- (1) increases by 10 kJ (2) decreases by 10 kJ (3) increases by 30 kJ (4) decreases by 30 kJ

**Atulcaald**25th May 2018 12:31 AM

### JEE Plances JEE (Main) Physics

## if force is given F=(4x+5) then estimate the gained amount of energy in displacing the system from x=1 to x=3

**puneetgarg2555**18th June 2018 7:19 PM

### ICSE VIII Mathematics

## A is 3 times faster than B and takes10 days less than bto do a work. Find howmany days are required by each to complete the work separately.

**nathsantanukumar**10th August 2018 7:13 AM

### ICSE VIII Mathematics

## Suppose there are three people working on a project. A and B can complete it in 12 days, B & C in 15 days and C & A in 20 days . How long will it take to complete the project it a all three work together and b) each of them work weparately?

**nathsantanukumar**10th August 2018 7:21 AM

### CBSE VIII Mathematics

## A contractor with a work force of 420mens can complete a work of construction of a building in nine months. Due to request by the owners he was asked to complete the job in seven months. How many extra men he must employ to complete the job?

**narenderrohila75**16th September 2018 8:24 PM

### ICSE X Mathematics

## A can do a piece of work in 'x' days and B can do the same work in (x+16)days . If both working togather can do it in 15 days;calculate 'x'.

**hermanlakra93**23rd September 2018 6:33 PM

### ICSE VIII Physics Energy

## A load of mass 30 kg is lifted up by 7.0 m. Calculate the work done. (Take g=9.8 m s-².

**Bhagatsania12**24th September 2018 10:52 PM

### ICSE VIII Mathematics

## 13 men can weave 117 baskets in a week.How many men will be needed to weave 189 baskests in 3 days

**ankitray26132**1st October 2018 5:40 PM

### CBSE VIII Mathematics

## A, B and C can separately can do a work in 2,6 and3 days respectively. Working together , how much time would they require to do it? If the work earns them RS 960 how should they divide the money?

**ojhautkarsh12345**9th October 2018 8:45 AM

### ICSE VIII Mathematics Ratio and Proportion

## Rajan do ajob in 60 days how much of the job will he able to finish in a day

**akhtaransarijsr**21st October 2018 1:20 AM

### CBSE XII Science Physics Electrostatic Potential and Capacitance

## Find the work done when a point charge of 2.0 micro coulomb is moved from a point at a potential of -10V to a point at which the potential is zero?

**Anushka**23rd October 2018 12:20 PM

### IIT JEE Main Mathematics

## 30 men complete work in 16 days how many men can complete work in 20 days?

**atul_rclal**25th December 2018 9:59 PM

### CBSE X Mathematics

## Kamala can do a work in 15 days. Bimala is 50% more efficient than Kamala. The number of days, Bimala will take to do the same piece of work, is

**rushabh123**31st January 2019 9:40 AM

### IIT JEE Main Physics Work, Energy and Power

## A body is displaced by 20 m, when a force of 20N acts on the body. The work done is

**Reetusahrey**7th February 2019 7:36 PM

### ICSE X Physics Work, Energy and Power

## A force of 15N is required to pull up a body of mass 2kg through a distance 5 m along an inclined plane making an angle of 30° with the horizontal. Calculate: Work done by the force in pulling the body, Force due to gravity on the body Work done against the force due to gravity (g=9.8 m/s2) Account for the difference in ans.s of 1. And 3.

**malapandey8278**11th February 2019 7:49 AM

### 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.

**Mail.nehasharmaa**19th February 2019 10:13 AM

### CBSE IX Physics Work and Energy

## How is potential energy affected when work done by a body and when work done on a body

**saradamahapatra9999**19th February 2019 10:43 AM

### ICSE X Physics Work, Energy and Power

## A force is applied on a body of mass 20 kg moving with a velocity of 40 ms-1. The body attains a velocity of 50 ms-1in 2 seconds. Calculate the work done by the body.

**pereirajoshua124**20th February 2019 9:20 PM

### IIT JEE Main Physics Work, Energy and Power

## a man drags a block through 10m on rough surface (mew=0.5). A force of root3 kN acting at 30 to the horizontal . the work done by applied force is

**Vedantshinde4may**25th February 2019 5:10 PM

### ICSE X Physics Work, Energy and Power

## An object 'P' of mass m is lifted from a point A on ground to point B at a height 'h' above the Earth by RinaandMita, but the path taken for doing it is different by both which force is doing positive work and which one is doing negative work ?

**Farheen1447**3rd March 2019 5:41 PM

### ICSE X Physics Work, Energy and Power

## What is the work done when force acts at an angle in the direction of motion

**Shalluchhabra**11th March 2019 10:11 PM

### CBSE XII Science Physics Current Electricity

## 1 kilo watt = ?

**ransinghkanoh**18th March 2019 11:04 AM