Thursday
April 24, 2014

Homework Help: physics

Posted by Anonymous on Monday, October 11, 2010 at 9:01pm.

There is a heat flow through a block of cross sectional area 21.5 cm2 and length 39 cm when the temperature difference of 18 degree Celsius is established across the block.
Find the rate of heat flow through the block, assuming it is made of aluminium with thermal conductivity k = 205 W/(m*K)

(-kA) * (Change in T/change in x)
A is the cross-sectional surface area,
ΔT is the temperature difference between the ends,
Δx is the distance between the ends

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - Heat flow question help?A brass rod with a length of 30.0 cm is placed...
Physics - Heat flow question help?A brass rod with a length of 30.0 cm is placed...
Physics - Find the heat that flows in 1 s through a lead brick 18 cm long if the...
physics - (a) Calculate the mass flow rate (in grams per second) of blood (ρ...
physics - A slab of a thermal insulator with a cross-sectional area of 115 cm2 ...
physics - (a) Calculate the mass flow rate (in grams per second) of blood (ρ...
PHYSICS!!! - A liquid ( = 1.65 g/cm3) flows through a horizontal pipe of ...
Physics - Hi maybe someone can help me out, since my teacher isn't available ...
HELP - A brass rod with a length of 10.0 cm is placed end to end with an ...
another physics question - A liquid ( = 1.65 g/cm3) flows through two horizontal...

Search
Members