« 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 50 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?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Elrathia kingii growth series with holaspids ranging from 16.2 mm to 39.8 mm in length Elrathia kingii growth series with holaspids ranging from 16.2 mm to 39.8 mm in length
Replica of Newton’s Reflecting Telescope Replica of Newton’s Reflecting Telescope
Essentials of a Refracting Telescope Essentials of a Refracting Telescope
The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing The same star field photographed with (a) a ground-based telescope, which is subject to poor seeing
Find the length of DE to one decimal place Find the length of DE to one decimal place
An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ... An athlete stretches a spring an extra 40.0 cm beyond its initial length. How much energy has ...
Video: Import of Dietary Glucose from Intestines to Bloodstream

For a complete list of videos, visit our video library