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Sliding friction
Lock the rollers of a roller skate by criss-crossing rubber bands more than them on both sides. Place the roller skate on a sloping board and reminder how the friction of the rubber keep it from sliding.
How is glass fibre material in optical fibres used? Glass fibre material in optical fibres: Silica is the generally used materials for the manufacture of a glass fibre. The
examples showing liquids exert pressure
Q. What are polar molecules? Give an example. i) A polar molecule is one in that the centre of gravity of the positive charges is separated from the centre of gravity of the ne
The velocity of a motor boat with respect to Still Water is 7 m/s and the velocity of water in river is 3 m/s. When the boat starts moving upstream, a float was dropped from it.
Give the theory of plane diffraction grating for normal incidence.
principle and working of compound microscope
A high-performance dragster with a mass of m = 1333 kg can accelerate at a rate of a = 23.5 m/s2. Write an expression for the magnitude of the net force, FNET, that propels the dr
anyone guide me about the explanation of coulombs law
Write down the electromagnetic wave equation for free space in terms of electric field.
Q. Geosynchronous Orbit Communications satellites are able to be placed in equatorial orbits at a distance which results in an orbital period of one day. Therefore the satellit
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