Homework Statement
A hollow conducting sphere has inner radius R and outer radius 1.5R. A +40nC point charge is placed at the center. What is the total charge on the interior and exterior walls of the sphere?
R=10cm
Homework Equations
Gauss's Law
σ = Qenc/A
The Attempt at a Solution
I'm not...
Homework Statement
A plane flies directly over your head. When the plane is 45° above the horizon from your perspective, you hear a sonic boom. How fast is the plane flying?
Homework Equations
Doppler effect for a receding source
f- = fo / (1+Vsource/c)
The Attempt at a Solution
Any help...
Homework Statement
Given a cross sectional area of A=10cm^2
1kg each of water ( ρ = 1000 kg/m^3 ), olive oil (
ρ = 800 kg/m^3 ), and mercury ( ρ = 13600 kg/m^3 ) are poured, and allowed to settle. What is the
pressure at the bottom of the pipe?
Homework Equations
F=PA
P=Po+ρgd
The Attempt at...