Apoint at the end of a propeller has a centripetal acceleration of 532.6 m/s to the power of two if the velocity of the propeller at this point is 35m/s, how long is the propeller blade

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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

Answerthe valence of an element or radical is equal to the number of positive or negative charges on the ion.