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

Author Question: If a virtual image is formed 8.00 cm along the principal axis from a convex mirror of focal length ... (Read 40 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
on: Jul 28, 2018
If a virtual image is formed 8.00 cm along the principal axis from a convex mirror of focal length 15.0 cm, how far is the object from the mirror?
 a. 30.0 cm
  c. 3.00 cm
  b. 6.00 cm
  d. 17.1 cm

Question 2

Two stars, A and B, have the same emissivity, but the radii and surface temperatures are different with RA = 2 RB, and TA = 0.5 TB. Assuming the temperature of space to be negligible, which star radiates the most energy per unit time?
 a. Star A
  b. Star B
  c. Both radiate the same amount of energy per unit time.
  d. More information is needed in order to make a determination.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ashely1112

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

B


ereecah

  • Member
  • Posts: 530
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

The Tilt of Earth’s Axis The Tilt of Earth’s Axis
A color-enhanced MRI image of the skull. A color-enhanced MRI image of the skull.
Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ... Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ...
Image Image
Two tiny particles having charges of +7.00 μC and -9.00 μC are placed along the y-axis. The ... Two tiny particles having charges of +7.00 μC and -9.00 μC are placed along the y-axis. The ...
Video: Primary and secondary response to infection

For a complete list of videos, visit our video library