« 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 25 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?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Apply friction to tendons at the elbow with thumb or fingers. Add stripping effleurage along length ... Apply friction to tendons at the elbow with thumb or fingers. Add stripping effleurage along length ...
If toes are curled, straighten them with effleurage along the length of each toe. Use thumb on top ... If toes are curled, straighten them with effleurage along the length of each toe. Use thumb on top ...
Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ... Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ...
Galileo and Galilean Telescope Galileo and Galilean Telescope
Newtonian Telescope. Newtonian Telescope.
Einstein telescope. Einstein telescope.
Video: Muscular System Animation

For a complete list of videos, visit our video library