« 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 127 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?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

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
Buying a Telescope Buying a Telescope
Refracting Telescope Refracting Telescope
Telescope Telescope
Einstein telescope Einstein telescope
Einstein telescope. Einstein telescope.
Video: Resting membrane potential - electrical polarity and maintenance requirements

For a complete list of videos, visit our video library