CBSE IX Physics Work and Energy
How to find Work done by drag force in the air?
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2nd March 2008
7:59 PM
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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?
Asked by Amyra B
9th November 2014
8:09 AM
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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 ]
Asked by yash.bisht9910
6th June 2015
12:17 PM
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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.
Asked by JASKAMAL KAUR
13th June 2015
11:53 AM
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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.
Asked by thakursonali2000
27th August 2015
7:00 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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CBSE IX Physics Work and Energy
Please answer question no 4 with proper explanation
Asked by adityaahuja099
13th November 2017
8:03 PM
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CBSE IX Physics Work and Energy
Please provide the solution to question no 8 with proper explanation
Asked by adityaahuja099
15th November 2017
8:47 PM
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NEET1 NEET1 Chemistry Thermodynamics and Thermochemistry
Q.
Asked by Arushi Juyal
16th December 2017
7:35 AM
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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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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?
Asked by vasturushi
25th December 2017
7:05 PM
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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
Asked by Muruga
19th February 2018
8:23 PM
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CBSE XII Science Physics
Please solve the following
Asked by Balbir
27th February 2018
9:11 PM
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CBSE XII Science Physics
Plaese answer the following question
Asked by Balbir
27th February 2018
9:20 PM
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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
Asked by Aditya
14th March 2018
11:33 PM
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ICSE X Physics
What should be the angle bw the force and displacement to get the minimum work
Asked by lovemaan5500
15th March 2018
7:30 AM
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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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JEE Plances JEE (Main) Physics
Pls solve
Asked by g_archanasharma
28th April 2018
8:59 AM
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CBSE XII Science Physics
can you move a charge in an electric field without work done and how?
Asked by my3shyll
9th May 2018
10:59 PM
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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] ?
Asked by pardeepkumar2281
9th May 2018
11:08 PM
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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
Asked by Atulcaald
25th May 2018
12:31 AM
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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
Asked by puneetgarg2555
18th June 2018
7:19 PM
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ICSE VIII Maths
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.
Asked by nathsantanukumar
10th August 2018
7:13 AM
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ICSE VIII Maths
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?
Asked by nathsantanukumar
10th August 2018
7:21 AM
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CBSE VIII Maths
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?
Asked by narenderrohila75
16th September 2018
8:24 PM
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ICSE X Maths
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'.
Asked by hermanlakra93
23rd September 2018
6:33 PM
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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.
Asked by Bhagatsania12
24th September 2018
10:52 PM
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ICSE VIII Maths
13 men can weave 117 baskets in a week.How many men will be needed to weave 189 baskests in 3 days
Asked by ankitray26132
1st October 2018
5:40 PM
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CBSE VIII Maths
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?
Asked by ojhautkarsh12345
9th October 2018
8:45 AM
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ICSE VIII Maths Ratio and Proportion
Rajan do ajob in 60 days how much of the job will he able to finish in a day
Asked by akhtaransarijsr
21st October 2018
1:20 AM
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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?
Asked by Anushka
23rd October 2018
12:20 PM
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JEE Main Maths
30 men complete work in 16 days how many men can complete work in 20 days?
Asked by atul_rclal
25th December 2018
9:59 PM
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CBSE X Maths
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
Asked by rushabh123
31st January 2019
9:40 AM
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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
Asked by Reetusahrey
7th February 2019
7:36 PM
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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.
Asked by malapandey8278
11th February 2019
7:49 AM
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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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CBSE IX Physics Work and Energy
How is potential energy affected when work done by a body and when work done on a body
Asked by saradamahapatra9999
19th February 2019
10:43 AM
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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.
Asked by pereirajoshua124
20th February 2019
9:20 PM
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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
Asked by Vedantshinde4may
25th February 2019
5:10 PM
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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 ?
Asked by Farheen1447
3rd March 2019
5:41 PM
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ICSE X Physics Work, Energy and Power
What is the work done when force acts at an angle in the direction of motion
Asked by Shalluchhabra
11th March 2019
10:11 PM
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CBSE XII Science Physics Current Electricity
1 kilo watt = ?
Asked by ransinghkanoh
18th March 2019
11:04 AM
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Gujarat VI Maths
20 Mason's can build a wall in 4 days. In how many days can 10 masons build in same wall
Asked by yashpal9558
25th March 2019
6:31 AM
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NEET NEET Physics Work, Energy and Power
The answer given is 32J .Please explain i guess it has to do something with t=0 to t=2s little confused please explain
Asked by nipunverma59
29th March 2019
8:01 PM
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ICSE VIII Maths
A can do a task in 5 days, B in 6 days and C in 8 days for which they are paid rupees 840 If they all work together, how much money should each receive ?
Asked by akhtarf85
22nd April 2019
8:05 PM
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ICSE VII Maths Algebraic Expressions
The wages of 10 workers for a six days week are ₹ 1200. What are the one day wages : ¡ ) of one worker ? ¡¡) of 4 workers ?
Asked by garganimesh786
29th April 2019
5:49 PM
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ICSE VIII Maths Unitary Method and Its Applications
If 5 workers can earn 17500 in 10 days how many workers will earn 29400 rupees in 7 days
Asked by Behniwalgurinder07
29th May 2019
10:57 PM
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ICSE VIII Maths Direct and Inverse Variations
A can do a piece of job in 24 days,while B can do the job in 30 days.A,B and C together can do the job in 12 days.In how much time can C do the job alone?If they are paid rs 5000 find their shares
Asked by rashmijoshi8989
22nd June 2019
5:47 PM
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JEE Main Chemistry Chemical Thermodynamics
Find work in expansion?
Asked by ashutosharnold1998
10th August 2019
12:10 AM
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JEE Main Physics
Why in book Work done by coolie walking on level road with load on head is given zero?but when coolie starts from rest and after some time his velocity will v .so the kinetic energy of block is increased then according to work energy theorem if kinetic energy change then work must be done.so here which force is doing work on block
Asked by ashutosharnold1998
23rd September 2019
8:07 PM
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CBSE IX Physics Work and Energy
What is work done?
Asked by Mahakurbishnupada
8th October 2019
2:52 PM
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CBSE IX Physics Work and Energy
what s work done
Asked by bindu23sharma
10th October 2019
8:21 PM
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CBSE VIII Maths Comparing Quantities
A and B together can paint a room in 18days. They work together for8days and then B goes away. A finishes the rest of work in 15days. How long would each take to finish the working separeately
Asked by acanilchauhan7
5th November 2019
11:50 PM
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CBSE IX Physics Work and Energy
in displacing a body 5 metre by a force of 50 Newton the work done is 125 joule find out the angle between the direction of force and displacement
Asked by karanbora625
11th November 2019
7:12 PM
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CBSE X Maths
Sunil takes 5 days more than Anil to complete a certain work.4 Days after starting the work, Anil left the work .The remaining work done by Sunil in 5 days. Find how many days each will take to complete the work.
Asked by gauravkakuste12340
22nd November 2019
1:12 PM
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CBSE IX Physics Work and Energy
Person A move from ground to third floor of his house through lift and person B do the same job with staircase who has done more job give reason
Asked by Yasmeenalisha10
10th December 2019
12:34 PM
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ICSE X Physics Work, Energy and Power
Is derivation for w=FScos90
Asked by aditigupta1443
17th December 2019
11:33 AM
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CBSE IX Physics Work and Energy
When do we say that work is done ?
Asked by kavitavinaysharma
23rd January 2020
10:01 PM
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CBSE IX Physics Work and Energy
When work is said to be done?
Asked by ashabhardwaj490
27th January 2020
6:17 AM
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CBSE X Physics Electricity
what is the relation between potential difference,work done,charge moved
Asked by assheetalcs1
19th March 2020
2:14 PM
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CBSE IX Physics Work and Energy
Please solve.
Asked by kiranbora10
2nd April 2020
12:42 PM
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ICSE X Physics Work, Energy and Power
physics
Asked by pankajkrpal178
25th April 2020
4:34 PM
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ICSE X Physics Work, Energy and Power
ch. work power energy
Asked by nilesh.dhote74
27th April 2020
5:58 PM
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ICSE X Physics Work, Energy and Power
power numerical
Asked by nilesh.dhote74
27th April 2020
6:13 PM
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ICSE X Physics Work, Energy and Power
conpare the worl done
Asked by nilesh.dhote74
27th April 2020
6:18 PM
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ICSE X Physics Work, Energy and Power
how to find the displacement
Asked by nilesh.dhote74
28th April 2020
10:10 PM
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ICSE X Physics Work, Energy and Power
ex. 2a q 16
Asked by nilesh.dhote74
30th April 2020
4:59 PM
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CBSE XII Science Physics
plz elaborate by figure and step by step question no 3
Asked by Harshhacker2580
4th May 2020
5:32 PM
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ICSE X Physics
A car of mass 50kg travels from rest and acquires a velocity of 40m/s in 20s.Find the acceleration gained by the car and the work done in bringing the car to rest.
Asked by rkarim957
11th May 2020
1:34 PM
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ICSE X Physics Work, Energy and Power
Derivation of w=mgh
Asked by sanjeevrao.2704
4th June 2020
8:43 AM
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CBSE XI Science Physics Work, Energy and Power
please solve the attached problem
Asked by ayushmishradbb
11th June 2020
9:07 AM
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ICSE X Physics Work, Energy and Power
How far must a 250 kg pile driver fall if it is to be capable of doing 12700 J of work?
Asked by snehalburud22.10spicertl
11th June 2020
3:26 PM
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JEE Main Physics Electrostatics
find work done
Asked by ashutosharnold1998
13th June 2020
11:50 AM
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CBSE IX Physics Work and Energy
Work done does not depend on the distance travelled. Give reason.
Asked by Deepak
6th July 2020
6:23 PM
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ICSE VIII Physics Energy
Fill the blank. Work done by a force depends upon force applied and ........................produce . . ..
Asked by vaishnavipal769
16th July 2020
9:41 PM
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CBSE VIII Science
Walter and Jimmy ran up a flight of stairs. Walter is twice as massive as Jimmy, yet Jimmy ascended the same distance in half the time. Who did more work? Who delivered more power? Explain.
Asked by Deepak
31st August 2020
8:46 AM
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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 Physics Work and Energy
science
Asked by varadaawasekar
8th October 2020
2:16 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 IX Physics Work and Energy
a bus of mass 10000kg with a velocity of 90 km/h. calculate work done to stop the bus
Asked by parthmalikschool
24th November 2020
12:45 AM
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NEET NEET Physics Work, Energy and Power
plzz solve this
Asked by surabhilakhara7299
10th July 2021
12:49 AM
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CBSE VIII Maths Comparing Quantities
If 3 men or 4 women can do a piece of work in 43 days how long will 7 men and 5 women take to complete the same work ?
Asked by ekanshbisht107
31st August 2021
10:23 AM
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JEE Main Physics Rotational Motion
A disk of mass 2/3kg is rolling without slipping on a horizontal surface. The centre of the disk has a velocity of 4m/s. how much work is done to stop it?
Asked by shanusunny15
26th October 2022
8:46 PM
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JEE Main Physics Work, Energy and Power
solve question
Asked by rasjad355
15th January 2023
4:49 PM
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NEET NEET Physics Work, Energy and Power
physics
Asked by grenalinechsangma
5th October 2023
10:44 AM
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NEET NEET Chemistry Chemical Thermodynamics
under isothermal conditions a gas at 300k expand form 0.1l to 0.25l against constant external pressure of 2 bar the work done by the gas is
Asked by deeptideepusingh987
23rd October 2023
1:57 PM
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CBSE XII Science Physics Electric Charges and Fields
abcd
Asked by mahantabibhutibhusan261
6th November 2023
9:04 PM
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CBSE IX Physics Work and Energy
Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km hour
Asked by vkjainj56
30th November 2023
12:00 AM
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CBSE XI Science Physics Work, Energy and Power
mention the expression for work done
Asked by abdulkhadirchajjo549
6th December 2023
6:55 PM
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CBSE XI Science Physics Physical World
a particle is displaced (3i + 4j) from (3j - 2k) under the action of force (i - j+k)N. the workdone by the force is ______ joule
Asked by vaddevenkatesulu56
26th February 2024
9:02 PM
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CBSE XII Science Physics Electric Charges and Fields
explain
Asked by ranadeb8090
19th April 2024
3:32 PM
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