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

Author Question: An object 2 cm high is placed 10 cm in front of a mirror. What type of mirror and what radius of ... (Read 34 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jul 28, 2018
An object 2 cm high is placed 10 cm in front of a mirror. What type of mirror and what radius of curvature is needed for an image that is inverted and 4 cm tall?
 a. Concave, R = 40 cm
  c. Convex, R = 13 cm
  b. Convex, R = 6.7 cm
  d. Concave, R = 20 cm

Question 2

The Sun is a slightly variable star. What if the surface temperature of the Sun were to increase from 6000 K to 6100 K, what would be the increase in total power radiated assuming no other changes such as radius or emissivity?
 a. 1.6
  c. 3.4
  b. 6.8
  d. 14


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Meganchabluk

  • Sr. Member
  • ****
  • Posts: 301
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


ts19998

  • Member
  • Posts: 531
Reply 2 on: Jul 28, 2018
Gracias!

amcvicar

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

« previous next »
 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr (a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr (a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr
Major Findings of the High Scope Preschool Study High Scope participants showed better academic per Major Findings of the High Scope Preschool Study High Scope participants showed better academic per
A high-performance aftermarket air filter often can increase airflow into the engine for more ... A high-performance aftermarket air filter often can increase airflow into the engine for more ...
Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit.
These photos show a rat burying a test object from which it has just received a single mild shock. These photos show a rat burying a test object from which it has just received a single mild shock.
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library