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2. The dipole in problem is removed and the space between plates is filled with Cu of conductivity σ (look up the value).
(a) Derive an expression for the current density between the plates?
(b) What is the total current flowing between the plates?
What is Attenuation? Attenuation: Attenuation is a reduction within the amplitude and intensity of a signal. This is a significant property into optical communications. This
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Total height of the gymnast just before falling back down is=(2+.3)=2.3m Energy gained at that point = m*g*h(m=mass, g=gravitational force, h=height) =55*9.8*2.3=1239.7 J
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Neglecting friction, what is the child''s gravitational potential energy at the top of the swing? What is the child''s kinetic energy at the top of the swing?
Aluminium Atomic number 13 Symbol Al Atomic weight 26.98154 Discovery W
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