Question: Calculus Based Physics 2 (100%) Problem 1: Copper has a resistivity of p. = 1.72 x 10 802 . m. An extension cord made of

Calculus Based Physics 2

Calculus Based Physics 2 (100%) Problem 1: Copper has a resistivity of

(100%) Problem 1: Copper has a resistivity of p. = 1.72 x 10 802 . m. An extension cord made of copper is connected to a DC electric motor which requires a current of at least Imin = 7.09 A in order to operate. The cord is connected to a V = 132 V voltage source. & 33% Part (a) Input an expression for the maximum ratio of length to cross-sectional area, y = L/ A, the cord can have if the motor is to operate. Grade Summary Ymax = Deductions 046 Potential 10046 7 9 HOME Submissions Attempts remaining: 4 09% per attempt 3 detailed view 0 END BACKSPACE INII. CLEAR Feedback I give up! Hints: Feedback: & 33% Part (b) In inverse meters, what is the value of the ratio? & 33% Part (c) It is found that the maximum length the cord can be is Imax = 30 m. What is the minimum diameter, in meters, of the wire

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