Determine the direction of the vector v. B or F that is missing from the pair of

Question

Determine the direction of the vector v. B or F that is missing from the pair of vectors shown in the scenanos shown below v is the vetociy vector of a n w n g positiveve charge, B a constant and unrform magnetic field, and F is the resuming lorce on the movwg charge. A current of 8 39 A ? a long straght wre produces a magnetic form oi 141 mu ? at a certain detance from the w re Find this drttance A 35 9-A current flows n a long straight w n F n d the strength of the resufcng magnetic fteid at a distance of 49 9 cm from the wire An electron passes through a pomt 3 65 cm from a long straight w re as moves at 32 9% of the speed of baht perpendicularly toward the wre The wre cames a axrert of 17.7 A Find the magnitude of the electron's acceleration at that point

Explanation / Answer

In the second case there is a coefficient 2 before x. By chain rule of differentiation, the correct derivative of (2x+5)3 is 6(2x+5)2. Or, the correct anti-derivative of 3(2x+5)2 is 1/2((2x+5)3).

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