Wednesday

September 17, 2014

September 17, 2014

Posted by **Mary** on Saturday, April 14, 2007 at 2:09am.

The length of the brass rod is 2.0m

The lenght of the aluminum rod is 1.0m

The coefficient of linear expansion of Brass = 19 x 10^-6

The coefficient of linear expansion of Aluminum = 23 x 10^-6.

I am unsure where to go from here.

gap= deltaL for alum + delta L for Brass

solve for delta T, it is the same in both linear expansions.

Ao do we have to add the specific heat capacities ?

Ao do we have to add the specific heat capacities ?

- Physics HELP!!!!!!!! -
**JP**, Tuesday, November 4, 2008 at 7:08pm2E-3= (19E-6)(2)(DeltaT) + (23E-6)(1)(DeltaT)

Simplified equation:

.002= (3.8E-5) (DeltaT) + (2.3E-5) (DeltaT)

More simpllified:

.002= (6.1E-5) (DeltaT)

DeltaT= 32.7869

Answer:

32.7869 + 29 = 61.7869

**Answer this Question**

**Related Questions**

PHYSICS - There's a bar with length of 6.49m and mass of 5.45kg leaning against ...

physics - A uniform bar of length 12 m and mass 3 kg is attached to a wall with ...

physics - if theta is the angle between unit vectors A bar and B bar, then (1-A ...

Physics - A bar of aluminum (bar A) is in thermal contact with a bar of iron (...

Physics - A 60-cm-long, 500 g bar rotates in a horizontal plane on an axle that ...

PHYSICS - 1...At what temp. of 0^C steel rod and copper rod have length of 800.1...

physics - what should be the length of aluminum and a brass rods at STP. so ...

physics - A light rigid bar is suspended horizontally from two vertical wires, ...

physics - A light rigid bar is suspended horizontally from two vertical wires, ...

PHYSICS - 1..........At what temperature of 0^C steel rod & copper rod have ...