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

Author Question: What is the net power that a person loses through radiation if her surface area is 1.20 m2, if her ... (Read 77 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
What is the net power that a person loses through radiation if her surface area is 1.20 m2, if her emissivity is 0.895, if her skin temperature is 300 K,
 
  and if she is in a room that is at a temperature of 17C? The Stefan-Boltzmann constant is 5.670  10-8 W/m2  K4.
  A) 60.3 W
  B) 62.6 W
  C) 65.7 W
  D) 68.4 W
  E) 64.8 W

Question 2

In a double-slit experiment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits simultaneously. A screen is placed 2.0 m from the slits.
 
  At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other? A) 1.5 mm
  B) 3.0 mm
  C) 4.5 mm
  D) 6.0 mm
  E) 9.0 mm



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tanna.moeller

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

C




cartlidgeashley

  • Member
  • Posts: 572
Reply 2 on: Jul 29, 2018
:D TYSM


Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

For a complete list of videos, visit our video library