Homework Statement
Simplify the expression completely
3(y)(1/3)-3x(y)(-2/3)(2x) / [(y)(1/3)]2
The Attempt at a Solution
My attempt is totally wrong. I can't quit figure out what to do or where to start
3(y)(1/3)-3x(y)(-2/3)(2x) / [(y)(1/3)]2
3(y)(1/3)-6x(y)(-2/3) / y(2/3)...
Homework Statement
In the figure below, R1 = 9.00 , R2 = 23.0 and the ideal battery has an emf = 12.0 V.
(a) 0.24 A
(b) How much energy is dissipated by all four resistors in 1.00 min?
The Attempt at a Solution
Not sure where I went wrong.
P = inet2Rnet
P = i12R2 +...
Homework Statement
A block of wood with volume V floats in water with 0.67V submerged. In oil the block floats with 0.88V of its volume submerged.
(a) Find the density of the wood.
g/cm3
(b) Find the density of the oil.
g/cm3
I honestly have no idea where to begin. I...
Homework Statement
Consider the system below. The 2.50 kg mass compresses the spring (k = 805 N/m) a distance of 0.230 m from equilibrium. The mass is then released from rest. It slides a total distance of 1.20 m on the table top where it feels a force of kinetic friction of 5.60 N before it...