Author Question: A student wishes to build a telescope. She has available an eyepiece of focal length -5.0 cm. What ... (Read 42 times)

nautica902

  • Hero Member
  • *****
  • Posts: 591
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
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
Both answers were spot on, thank you once again



izzat

  • Sr. Member
  • ****
  • Posts: 328

 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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.

For a complete list of videos, visit our video library