This topic contains a solution. Click here to go to the answer

Author Question: An object placed 12 cm from a concave mirror produces a real image 8.0 cm from the mirror. If the ... (Read 56 times)

rosent76

  • Hero Member
  • *****
  • Posts: 516
An object placed 12 cm from a concave mirror produces a real image 8.0 cm from the mirror. If the object is now moved to a new position 15.0 cm from the mirror, where is the new image located as measured from the mirror?
 a. 6.5 cm
  c. 7.1 cm
  b. 14.6 cm
  d. 3.0 cm

Question 2

At high noon, the Sun delivers 900 W to each square meter of a blacktop road. What is the equilibrium temperature of the asphalt, assuming its emissivity e = 1? (s = 5.67  10-8 W/m2K4) .
 a. 75C
  c. 91C
  b. 82C
  d. 99C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

billybob123

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

C

Answer to Question 2

B




rosent76

  • Member
  • Posts: 516
Reply 2 on: Jul 28, 2018
Wow, this really help


irishcancer18

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library