Related Rate Problem...HeLp!
Homework Statement
The ph of a solution is 3, ph changes at a rate of 0.01 at time t and the concentration of H3O is 10^-ph. At what rate is concentration decreasing at time t.
Homework Equations
The Attempt at a Solution
I need someone to walk me...
Homework Statement
If the inductance and the capacitance both double in an LRC series circuit, the resonant frequency of the circuit will...
decrease to 1/4 its original value
decrease to 1/2 its original value
decrease to 1/8 its original value
Homework Equations
The Attempt at a...
Homework Statement
A circular loop of wire is rotated at constant angular speed around an axis whose direction can be varied. In a region where a uniform magnetic field points straight down, what must be the orientation of the loop's axis of rotation if the induced emf is to be zero...
Homework Statement
Charge A has 10 electric field lines coming out, Charge B has 20 lines coming out, and Charge C has 30 lines coming in. Which pair of these charges will have the largest force between them if placed one cm apart?
Homework Equations
The Attempt at a Solution
Is...
Oh I thought the distance was just the distance between A and B...but its the distance from point A to the point where the electric field and same for B?
Homework Statement
Two point charges are placed along a horizontal axis with the following values and positions: +3.0 �C at x = 0 cm and -7.0 �C at x = 20 cm. At what point along the x-axis is the electric field zero?
Homework Equations
The Attempt at a Solution
Can I just set Ea...
Homework Statement
Charge A and charge B are 3.00 m apart, and charge A is +2.00 C and charge B is +3.00 C. Charge C is located between them at a certain point and the force on charge C is zero. How far from charge A is charge C?
Homework Equations
The Attempt at a Solution
I am...