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A fishing line's lead sinker has a volume of 1.40 x 10-5 m3. The density of lead is 1.2 x 104 kg/m3.
What is the apparent weight of the sinker when immersed in freshwater?
Seawater is slightly denser than freshwater.
Is the sinker's apparent weight bigger or smaller in seawater? Define.
Two grating A and B have the same width of the ruled surface but A has greater number of lines. Giving reasons compare in two cases (a) Intensity (b) Width of principal maxim
A lead bullet moves horizontally with a velocity of 130 ms-1 and embedded into a cement wall after collision. If the specific heat capacity of lead = 130 JKg-1°C-1 and all heat pro
Electrical power: Electrical power (symbol P) is the rate at which work is done or the rate of conversion of energy by an electrical system. The SI unit of power is the
Construction of UJT The fundamental structure of a UJT is illustrated in fig. (a). It comprises an n-type silicon bar that is lightly doped. Two end connections are taken fr
find acceleration of spacecraft will changed during journey and velocity and displacement if formula for displacement " s " and velocity V S=ut +1/2 at.... (t to power 2) V= u+at
Explain Conservation of Angular Momentum When a body rotates (spins like a top) or revolves (moves in a circle around a central point), all of the rules that we have used to ca
why does rain water boils faster than fresh water
What is physics?
Ask question #Minimum 4. Determine the strength of a lens needed to allow a person with a far-sighted eye with a near point of Pnar= 2.0 m (near point means the closest distance f
A medium is characterised by relative permittivity ε r =45 and relative permeability μ r =5. Determine the speed of e-m wave in the refractive and medium index of the medium.
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