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  • Question #129ab - Socratic
    Internal resistance(r) is the resistance of a battery or cell which opposes the flow current internally Internal resistance is the resistance that a battery or cell offers to the current that it generates Usually denoted by r
  • How do you compute the dot product to find the magnitude of
    || vec u || = 6 It should be absolutely obvious that vec u=6 hat j represents a vector pointing up along Oy of 6 units, so theretofore || vec u || =6 We can show this using the dot product using the fact that: || vec u || = sqrt (vecu * vec u) To get || vec u || = sqrt ( (6) (6)) =sqrt (6^2)=6
  • How do you solve -44n=0? | Socratic
    n=0 -44n=0 (Divide both sides by -44 to isolate the variable) n=0 -44 n=0
  • Question #5f8df - Socratic
    Yes, it is tan 2A * cot 2A = cancel(sin 2A) cancel(cos 2A) * cancel(cos 2A) cancel(sin 2A) -= 1
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    i have been teaching physics since 1965 worked in theoretical nuclear physics and quantum mechanics
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  • Question #91942 - Socratic
    -x^3+6y^3 Given, x^3+4y^3-2x^3+2y^3 Group the terms with x^3 together and the terms with y^3 together =x^3-2x^3+4y^3+2y^3 Simplify =-x^3+6y^3





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