This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Two equal mass objects (which are in thermal contact) make up a system that is thermally isolated ... (Read 385 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Jul 27, 2018
Two equal mass objects (which are in thermal contact) make up a system that is thermally isolated from its surroundings. One object has an initial temperature of 100C and the other has an initial temperature of 0C.
 
  What is the equilibrium temperature of the system, assuming that no phase changes take place for either object? (The hot object has a specific heat capacity that is three times that of the cold object.) A) 23C
  B) 19C
  C) 75C
  D) 50C
  E) 25C

Question 2

An atomic nucleus has a charge of +40e. What is the magnitude of the electric field at a distance of 1.0 m from the nucleus?
 
  A) 5.4  10-8 N/C
  B) 5.6  10-8 N/C
  C) 5.8  10-8 N/C
  D) 6.0  10-8 N/C
  E) 6.2  10-8 N/C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macybarnes

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

C


Hungry!

  • Member
  • Posts: 1,071
Reply 2 on: Jul 27, 2018
Excellent

isabelt_18

  • Member
  • Posts: 342
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Using the Ti plasmid and Agrobacterium tumefaciens to make transgenic plants Using the Ti plasmid and Agrobacterium tumefaciens to make transgenic plants
The Sun is the star at the center of the Solar System. The Sun is the star at the center of the Solar System.
Mass Exchange Between Close Binary Stars Mass Exchange Between Close Binary Stars
The human digestive system The human digestive system
An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i An unknown gas occupies a volume of 1.50 L at 21 °C and 0.950 atm. If the mass i
Mass Extinctions Mass Extinctions
Video: Energy sources - types

For a complete list of videos, visit our video library