Recent content by Zywo

  1. Z

    What is the angular momentum of a hydrogen atom in different orbit states?

    Solved my own problem, if anyone has this same issue the answer is more simple than i thought. L = h-bar*sqrt(l(l+1)) where l is the orbital quantum number
  2. Z

    What is the angular momentum of a hydrogen atom in different orbit states?

    Homework Statement What is the angular momentum of a hydrogen atom in (a) a 4p state and (b) a 5f state? Give your answers as a multiple of h-bar aka (h/2*pi) Homework Equations Radius of nth orbit = 5.29*10-11 * n^2 Angular Momentum = mvr V of nth orbit = sqrt ( e^2 /...
  3. Z

    E field induced by changing B field

    Homework Statement The magnetic field inside a 5.0-cm-diameter solenoid is 2.0 T and decreasing at 4.90 T/s What is the electric field strength inside the solenoid at point on the axis?Homework Equations E=(r/2)*(dB/dt)The Attempt at a Solution E=(.025/2)*(4.9)= 0.06125 V/m Not sure what's...
  4. Z

    Parallel Capacitors and Voltage Distribution

    Homework Statement In a system of parallel capacitors both have the same (delta)V. is it true that in that system, with power supplied by a battery of 9V, that each has a (delta)V of 4.5V? Or do they each have a (delta)V of 9V? Homework Equations The Attempt at a Solution
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    Electric Potential in a triangle

    Homework Statement What is the electric potential at the point indicated with the dot in the figure? The dot is in the center of an equilateral triangle with sides of 3 cm. The top point is a +2 uC charge and the bottom points are both -1 uC charges. Homework Equations V= kq/r The...
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    Charge on 1cm Wire: Solve with E=Q/4πεor^2

    Ah. 2(lambda)/(4*pi*eo*r) lambda = Q/L Got it. Thanks!
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    Charge on 1cm Wire: Solve with E=Q/4πεor^2

    Homework Statement The electric field 4.80 cm from a very long charged wire is ( 2100 N/C,toward the wire). What is the charge (in nC) on a 1.0-cm-long segment of the wire? Homework Equations E=1/(4*pi*eo) * Q/ri^2 * cos (theta) [b]3. The Attempt at a Solution I put in 9*10^9 for...
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    SAVE ME HW DUE AT MIDNITE Optics/Glasses problems

    [b]1. Yang can focus on objects 170 cm away with a relaxed eye. With full accommodation, she can focus on objects 19 cm away. After her eyesight is corrected for distance vision, what will her near point be while wearing her glasses? Homework Equations 1/o + 1/i = 1/f P=1/D The Attempt at a...
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    What Are the Tensions in Two Blocks With Friction and Acceleration?

    Homework Statement Two blocks of mass m1=80 kg and m2=100 kg and attached by a string, another sting comes off of mass m1 and is pulled horizontally (kinda looks like this) (T1 & T2 are tensions) m2--T2--m1--T1--> there is a coefficient of friction u=.14 for both blocks, what is the tension...
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