Questions Answered

haridas_mandal:
At a given instant of time the position vector of a particle moving with a velocity 3i4j+5k is i+9j8k. Its angular velocity is ..
 updated one year ago
 2 replies
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DLS:
The kinetic energy acquired by a mass m in traveling distance d,starting from rest,under the action of a constant force is directly propoti…
 updated one year ago
 51 replies
 3 Medals

haridas_mandal:
A block of mass m is connected to one end of a spring ( k) . The other end is fixed to a rigid support. The mass is then releases slowly so …
 updated one year ago
 4 replies
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Fenix35:
which of the following is a good insulator? a. wire b. doorknob c. plastic d. nickel
 updated one year ago
 5 replies
 1 Medal

haridas_mandal:
Two persons A &B are located at points (0,0) & (o,10) respectively. At a time t =0 they strat simultaneously with velocity Va=2j m /sec & 2i…
 updated one year ago
 9 replies
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orianna:
hypothesize what might occur as the sun nears the end of its life. what will the sun become? what will happen to the planets in our solar sy…
 updated one year ago
 1 reply
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succubusismydogsname:
If you short out a resistor in a circuit...does the voltage across the battery change (real battery) or no?
 updated one year ago
 28 replies
 2 Medals

Sierajackson:
How many grams of hydrogen do we need to produce 12 grams of water
 updated one year ago
 1 reply
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Jorde:
Calculate the molarity of a solution made by dissolving 4.75 g of HCl in enough water to form exactly 750 mL of solution.
 updated one year ago
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haridas_mandal:
I am finding it difficult to get the right hand rule applied to motion of a charged particle in a magnetic field..assuming uniform magnetic …
 updated one year ago
 2 replies
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ibeaute:
just checking..
0.820 mole of hydrogen gas has a volume of 2.00 L at a certain temperature and pressure. What is the volume of 0.125 mol…
 updated one year ago
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nyland1:
When a 1.0 mole of zinc metal reacts with excess HCl, how many moles of H2 should be produced? The balanced equation is:
Zn(s) + 2HCl(aq) …
 updated one year ago
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haridas_mandal:
'm' grams of a gas of a molecular weight M is flowing in an isolated tube with velocity V. If the flow of the gas is suddenly stopped the ri…
 updated one year ago
 4 replies
 1 Medal

haridas_mandal:
An ideal gas is subjected to a cyclic process ABCD as depicted in the PV diagram given. Which of the following curves represents the equiva…
 updated one year ago
 31 replies
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haridas_mandal:
Can anyone find some authentic comparison of Gotras of each and every human beings born into Hindu family to that of any other religion of t…
 updated one year ago
 2 replies
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haridas_mandal:
A parallel plate capacitor fitted with a material of dielectric constant 'k' is charged to a certain voltage. The dielectric material remove…
 updated one year ago
 3 replies
 2 Medals

haridas_mandal:
After watching documentary on Stone Hedge where a very large roundel shape created by the ancient people with large stones vertically erecte…
 updated one year ago
 2 replies
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haridas_mandal:
The equation of a stationary wave in a string is Y = 4 mm sin [(3.14m^1)x] cos wt. Select the correct alternatives:a) The amplitude of comp…
 updated one year ago
 17 replies
 3 Medals

haridas_mandal:
Consider the two statements :
Statement A : Frictional Force can be zero even though the contact surface is rough.
Statement B : Even thou…
 updated one year ago
 4 replies
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Yahoo!:
A 25000 Kg airplane takes off from rest and reaches 5000m altitude and cruises at 900km/h in 8 minutes .Find Avg Power ?
 updated one year ago
 13 replies
 2 Medals

haridas_mandal:
Statement AEnergy is the cause and work is the effect.
Statement twoEnergy is a scalar but work is a vector product
Optionsa) Both A, B…
 updated one year ago
 3 replies
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kamb042:
I need help....!
A bomb explodes into three identical pieces. One flies in the + ydirection at 17.3 m/s, a second in the  xdirection a…
 updated one year ago
 1 reply
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haridas_mandal:
A particle of mass 'm' moving with a speed v hits elastically another stationary particle of mass '2m' on a smooth horizontal circular tube …
 updated one year ago
 1 reply
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littlecat:
What is the difference between magnetic flux and magnetic field?
 updated one year ago
 5 replies
 4 Medals

bleds415459:
a ball falls 80 m free fall what is the final velocity
…
 updated one year ago
 6 replies
 4 Medals

mitchelsewbaran:
Suggest a way that a scientist could create an even more accurate model of the Big Bang theory.
 updated one year ago
 2 replies
 1 Medal

damrinder:
whats the difference between angle of friction and angle of repose???
 updated one year ago
 4 replies
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dabeseva1:
Is it true or false that lightbulbs connected in series all carry the same current regardless of their resistances?
 updated one year ago
 3 replies
 1 Medal

haridas_mandal:
When a heat Q is supplied to 1 mole of a monoatomic gas (y=5/3)the work done by the gas is (Q/3). Then the molar heat capacity of the gas is…
 updated one year ago
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haridas_mandal:
A cylindrical tube of uniform cross sectional area A is fitted with two air tight frictionless pistons. The pistons are connected to each ot…
 updated one year ago
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