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

Author Question: A machinist with normal vision has a near point at 25 cm. The machinist wears eyeglasses in order to ... (Read 92 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Jul 29, 2018
A machinist with normal vision has a near point at 25 cm. The machinist wears eyeglasses in order to do close work. The power of the lenses is +1.75 diopters. With these eyeglasses, what is the near point of the machinist?
 
  A) 24 cm B) 14 cm C) 21 cm D) 17 cm E) 10 cm

Question 2

What is the net power radiated by a little animal with a surface area of 0.075 m2 if his emissivity is 0.75, his skin temperature is 315 K, and he is in a room with a temperature of 290 K? ( = 5.67  10-8 W/m2  K4 )
 
  A) 8.8 W
  B) 6.0 W
  C) 8.0 W
  D) 15 W
  E) 18 W


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

katieost

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

A


jessicacav

  • Hero Member
  • *****
  • Posts: 558
Reply #2 on: Jul 29, 2018
TY


katieost

  • Sr. Member
  • ****
  • Posts: 358
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Features of normal metaphase chromosomes. Features of normal metaphase chromosomes.
Effect of changing a set point for hypothalamic values Effect of changing a set point for hypothalamic values
How to find the equation of a line that is parallel to a line passing through a point How to find the equation of a line that is parallel to a line passing through a point
Set-Point Theory Set-Point Theory
The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C? The molality of a C12H23O11 solution is 0.6 m. what is the freezing point of the solution C?
An endoscopic view of the colon of someone who carries the normal alleles for the APC gene An endoscopic view of the colon of someone who carries the normal alleles for the APC gene
Video: Structures that affect circulation - heart and systolic/diastolic BP

For a complete list of videos, visit our video library