Author Question: A small underwater pool light is 1.26 m below the surface of a swimming pool. What is the radius of ... (Read 131 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
A small underwater pool light is 1.26 m below the surface of a swimming pool. What is the radius of the circle of light on the surface, from which light emerges from the water? (nwater = 1.333).
 a. 0.77 m
  c. 1.13 m
  b. 0.57 m
  d. 1.43 m

Question 2

When a wool blanket is used to keep warm, what is the primary insulating material?
 a. wool
  b. air
  c. the trim around the edge of the blanket
  d. a thin layer of aluminum foil (usually not apparent) inside the blanket



pikon

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

For a complete list of videos, visit our video library