« previous next »

Author Question: The length of the telescope is 1.60 m, and it has a magnification of 60.0. What is the focal length ... (Read 55 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
on: Jul 29, 2018
The length of the telescope is 1.60 m, and it has a magnification of 60.0. What is the focal length of the objective lens?
 
  A) 60.0 cm
  B) 157 cm
  C) 100 cm
  D) 128 cm
  E) 96.0 cm

Question 2

A flat circular coil has 200 identical loops of very thin wire. Each loop has an area of 0.12 m2 and carries 0.50 A of current. This coil is placed in a magnetic field of 0.050 T oriented at 30 to the plane of the loop.
 
  What is the magnitude of the magnetic torque on the coil? A) 0.25 N  m
  B) 0.52 N  m
  C) 2.5 N  m
  D) 5.2 N  m
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


vickybb89

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Measuring the Weight and Length of an Infant Measuring the Weight and Length of an Infant
The metric system specifies fasteners by diameter, length, and pitch. The metric system specifies fasteners by diameter, length, and pitch.
Analysis of a restriction fragment length Polymorphism Analysis of a restriction fragment length Polymorphism
What is the length of the staircase? What is the length of the staircase?
Electrophoretic separation of a mixture of DNA fragments that vary in length Electrophoretic separation of a mixture of DNA fragments that vary in length
Corolla length in tobacco Corolla length in tobacco
Video: Bacteriophage (Virus) - Mice Experiment

For a complete list of videos, visit our video library