Author Question: A 0.10 kg piece of copper, initially at 95C, is dropped into 0.20 kg of water contained in a 0.28-kg ... (Read 46 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
A 0.10 kg piece of copper, initially at 95C, is dropped into 0.20 kg of water contained in a 0.28-kg aluminum can; the water and aluminum are initially at 15C. What is the final temperature of the system?
 
  A) 19.2C
  B) 7.89C
  C) 18.3C
  D) 17.8C
  E) 23.7C

Question 2

In a vacuum, all electromagnetic waves travel at the same speed.
 
  Indicate whether the statement is true or false



krakiolit

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

D

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

For a complete list of videos, visit our video library