« previous next »

Author Question: The length of a telescope is 2.20 m and the focal length of the eyepiece is 1.9 cm. What is the ... (Read 130 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Jul 29, 2018
The length of a telescope is 2.20 m and the focal length of the eyepiece is 1.9 cm. What is the focal length of the objective lens?
 
  A) 41 cm
  B) 45 cm
  C) 111 cm
  D) 218 cm
  E) 16 cm

Question 2

A circuit contains a 2.0-M resistor in series with an uncharged capacitor. When this combination is connected across an ideal battery,
 
  the capacitor reaches 25 of its maximum charge in 1.5 s. What is its capacitance?
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

2.6 F


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

The Largest Refracting Telescope The Largest Refracting Telescope
The relationship between the height of the firing line and length of the spark line can be ... The relationship between the height of the firing line and length of the spark line can be ...
Use fingertips to apply friction to muscle attachments along inferior length of the clavicle. Use fingertips to apply friction to muscle attachments along inferior length of the clavicle.
Gently squeeze along the length of each toe. Move proximal to distal. Squeeze top and bottom first, ... Gently squeeze along the length of each toe. Move proximal to distal. Squeeze top and bottom first, ...
Telescope Telescope
Einstein telescope. Einstein telescope.
Video: Interpreting a cladogram Animation

For a complete list of videos, visit our video library