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A helium nucleus and a neon nucleus are separated by a distance of 3.0 nm. The charge of the helium nucleus is +2e while that of a neon nucleus is + 10e .Find the magnitude of the
For which of the following does the centre of mass lie outside the body 1. A pencil 2. A shotput 3. A dice 4. A bangle Solution) 4. bangle ; centre of mass of hollow objects
Elastic collision : A collision is known as elastic when kinetic energy is also conserved along with the linear momentum. There is no transformation or loss of kinetic energy in th
In two-dimension motion a body go in a plane. e.g. a particle rolling in a circle, a cricket ball caught by a fielder. In the first case the body can go round with a fix velocity o
The mass of a mol of proton and electron is: (1) 6.023x 10 23 g (2) 1.008g and 0.55mg (3) 9.1x 10 -28 kg (4) 2gm Ans: (2) 1.008g and 0.55mg
a closed organ pipe resonates with frequency 6hz and an open organ pipe resonates with frequency 12Hz. if the two organ pipes are joined to form a single organ pipe then it will re
Determine the change in entropy, in joules, when 5 moles of an ideal gas expands from a value of 4 lits. to 40 lits. at 27°C. (R = 8.314 JK -1 mol -1 )
what is Gravitational field at a distance r from the infinitely long rod with liner mass density d? Please drive it Ans) use Gauss'' law of electrostatics, but replace (1/4πε0)
what is the unit of torque
The conductive method Heat can be transferred by conduction from warmer to cooler objects, the quantity of heat transfer depends on the temperature difference between the two
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