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Each physical system has related with it a certain point whose motion characterizes the motion of the whole system. When the system goes under some external forces than this point goes as if the entire mass of the system is concentrated at this point and also the external force is operated at his point of translational motion. This point is called as the centre of mass of the system.
Q. What do you mean by additive nature of charges? Give an example. Additive nature of charge The entire electric charge of a system is equal to the algebraic sum of electric
A train consists of a 4300-kg locomotive pulling two loaded boxcars. The first boxcar has a mass of 12,700 kg and the second has a mass of 16,300 kg. Presume that the boxcar wheels
LENARD ATOMIC MODEL : Lenard suggested that the atom must have a lot of empty in it. Lenard's model of an atom could not explain about the stability and mass of an atom .
how to transform series to parallel
Explain the Electric Forces and Fields This can be thought of in terms of an electric field, E, similar to the gravitational field discussed earlier [Fg = m g( r ) where at the
An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows do
Resolution of Forces by Calculation: One vector was resolved into two mutually perpendicular components. So if there are several vectors each can be resolved into two
A sensitive beam balance The materials required for this balance contain a clothes peg, a knitting needle about 12 in. long, two pins or needles and a support like as a milk bo
#questiwhy test charge kept unit ad positive ?on..
Discuss about the Single-mode fibre in short. Single-mode fibre: A single-mode fibre consists of a narrow core (8 to 10µm) and refractive index in between the core and cladd
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