The force f, of the wind blowing against a building is given by f=cdrhov2 a/2, where v is the wind speed, rho the density of the air, a the cross-sectional area of the building, and cd is a constant termed the drag coefficient. (a) determine the dimensions of the drag coefficient. (b) is this a homogeneous or a non-homogeneous equation? how can you tell? (c) in what unit system is the coefficient defined?

Simple harmonic motion wind energy circulation best answer from the choices

Wooden , walls ,doors ,support

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Ohm's law tells you that i = v/r where v is equivalent voltage and r is equivalent resistance of the circuit
since all circuits have the same voltage, your question is really asking which circuit has the lowest total resistance, since the lower the resistance, the higher the current
circuit a has a resistance of 5 ohms; circuit c is in series so has a resistance of 10 ohms; circuit b is in parallel and therefore has a resistance of 2.5 ohms (review your notes on adding resistances in parallel and series); therefore b has the highest current