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 101 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
:D TYSM


duy1981999

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

For a complete list of videos, visit our video library