Calculate the specific heat of a metal from the following data. a container made of the metal has a mass of 3.9 kg and contains 11 kg of water. a 2.0 kg piece of the metal initially at a temperature of 189°c is dropped into the water. the container and water initially have a temperature of 16.0°c, and the final temperature of the entire system is 18.0°c.

Explanation:

1) Notation and data given

= mass of the container = 3.9 kg

= mass of the water inside of the container= 11 kg

=mass of the metal= 2 kg

initital temperature of the metal

initital temperature of the water

initital temperature of the container

final equilibrium temperature

2) Concepts and formulas

Since the inital temperature for the pice of metal is higher than the temperature for the container and the water inside, the piece of metal will transfer heat, and this transferred heat is the same amount absorbed by the container and the water reaching the equilibrium. So then we have this formula:

We don't have any change of phase so then we just have the presence of sensible heat, and using this we got that:

On this case the container is made by the same metal so then

And solving for from the last expression we got:

Replacing the values we have:

a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table