« previous next »

Author Question: A student wishes to build a telescope. She has available an eyepiece of focal length -5.0 cm. What ... (Read 67 times)

nautica902

  • Hero Member
  • *****
  • Posts: 591
on: Jul 27, 2018
A student wishes to build a telescope. She has available an eyepiece of focal length -5.0 cm. What focal length objective is needed to obtain a magnification of 10x?
 
  What will be an ideal response?

Question 2

A solid cylinder and a hollow cylinder have the same mass and the same radius. Which statement is true concerning their moment of inertia about an axis through the exact center of the flat surfaces?
 
  A) The hollow cylinder has the greater moment of inertia.
  B) The solid cylinder has the greater moment of inertia.
  C) Both cylinders have the same moment of inertia.
  D) The moment of inertia cannot be determined since it depends on the amount of material removed from the inside of the hollow cylinder.


izzat

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

50. cm

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

nautica902

  • Hero Member
  • *****
  • Posts: 591
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


izzat

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Rotating Furnace for Making Parabolic Telescope Mirrors Rotating Furnace for Making Parabolic Telescope Mirrors
Measuring the Weight and Length of an Infant Measuring the Weight and Length of an Infant
A student creates a new blog about chemistry. A student creates a new blog about chemistry.
Hubble Space telescope Hubble Space telescope
Offset Method Plot of Land with Length Line Offset Method Plot of Land with Length Line
Corolla length in tobacco Corolla length in tobacco
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library