Given the vector current density J = (10rho2z)arho − (4rho cos2φ)aφ mA/m2 :

a. Find the current density at P (rho = 2, φ = 60◦ , z = 3);

b. Determine the total current flowing outward through the circular band rho = 4, π < φ < 2π ,

3 < z < 8.

answer:

explanation:

assault rifle is a rapid-fire, magazine-fed rifle designed for military use. it is a shoulder-fired weapon that allows the shooter to select between semi-automatic (requiring you pull the trigger for each shot), fully automatic (hold the trigger and the gun continuously fires) or three-shot-burst modes.

answer:

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