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CBSE IX Physics Work and Energy

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

Asked by 2nd March 2008 7:59 PM
Answered by Expert

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
Answered by Expert

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
Answered by Expert

CBSE IX Physics Work and Energy

Please answer question no 4 with proper explanation 
 

Asked by adityaahuja099 13th November 2017 8:03 PM
Answered by Expert

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
Answered by Expert

NEET1 NEET1 Chemistry Thermodynamics and Thermochemistry

Q.

Asked by Arushi Juyal 16th December 2017 7:35 AM
Answered by Expert

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
Answered by Expert

ICSE X Mathematics

8 a part

Asked by lovemaan5500 25th February 2018 6:48 AM
Answered by Expert

CBSE XII Science Physics

Please solve the following

Asked by Balbir 27th February 2018 9:11 PM
Answered by Expert

CBSE XII Science Physics

Plaese answer the following question

Asked by Balbir 27th February 2018 9:20 PM
Answered by Expert

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
Answered by Expert

JEE Plances JEE (Main) Physics

Pls solve 

Asked by g_archanasharma 28th April 2018 8:59 AM
Answered by Expert

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
Answered by Expert

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
Answered by Expert

ICSE VIII Physics

Tell me fast sir.

Asked by jsa788153 19th August 2018 3:49 PM
Answered by Expert

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
Answered by Expert

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

Asked by ankitray26132 1st October 2018 5:40 PM
Answered by Expert

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

Asked by akhtaransarijsr 21st October 2018 1:20 AM
Answered by Expert

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
Answered by Expert

IIT JEE Main Mathematics

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
Answered by Expert

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 

Asked by Reetusahrey 7th February 2019 7:36 PM
Answered by Expert

ICSE X Physics Work, Energy and Power

1) Why is no work done when a person is holding a briefcase in his hand ? 2) Sometimes the air bubbles emerging out of a fish tank apeear silvery ? 3) Why do the faces of the persons sitting around a camp fire appear to be shimmery ? 4) State two important precauitions during an experiment for finding specific latent heat of ice . 5) An electric bulb gives much brighter light when the magnitude of emf increases . Explain  6) State two ways of increasing magnitude of induced current .  7) From the ground floor , a man comes upto the fourt floor of a building using a staircase . Another person comes upto the same floor , using an elevator . Neglicting frition , comparee the work done in two cases .  8) What is the range of loudness level for normal conversation and whispering ? 9) How does the water in a living system( just as our body ) controls and maintains our body temperature ? 10) What do you understand by the term refraction of light ? 11) Why do the diamonds sparkle ? 12) Explain briefly the energy released in a thermal power plant is converted into electric energy .  13) Why is the power generated at the power houses stepped up during transmission ? 14) Why are the coils of a heavy transformer immersed in a special kind of oil ? 15) A copper calorimeter weighing 57.5g contains 60g of water at 12 degree C , 55 g of iron nails at 100 degree C are dropped into the calorimeter , when the final temperature of the contents of calorimeter is 20 degree C . Calculate the specific heat capacity of iron . [ Specific heat capacity of copper is 0.4 J/gC and that of water is 4.2 J/gC]  16) Calculate the wavelength of an electromagnetic wave of frequency 15 MHz  17) What do you understand by the term radioactivity . 

Asked by DILIP 16th February 2019 11:11 PM
Answered by Expert

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
Answered by Expert

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
Answered by Expert

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

Asked by Vedantshinde4may 25th February 2019 5:10 PM
Answered by Expert

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
Answered by Expert

CBSE XII Science Physics Current Electricity

1 kilo watt = ?

Asked by ransinghkanoh 18th March 2019 11:04 AM
Answered by Expert

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