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

Author Question: The principal axis is the A) straight line drawn from the center of curvature to the mid point of ... (Read 29 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
The principal axis is the
 
  A) straight line drawn from the center of curvature to the mid point of the mirror.
  B) straight line drawn from the center of curvature to any point of the mirror.
  C) straight line drawn from the center of curvature to a point on the outer edge of the mirror.
  D) straight line joining any two points on the mirror.
  E) None of the other answers given is correct.

Question 2

Salt water has greater density than fresh water. A boat floats in both fresh water and in salt water. Where is the buoyant force greater on the boat?
 
  A) salt water
  B) fresh water
  C) Buoyant force is the same in both.
  D) Cannot be determined from the information given.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

A

Answer to Question 2

C




V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Jul 29, 2018
Wow, this really help


Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

For a complete list of videos, visit our video library