This topic contains a solution. Click here to go to the answer

Author Question: Jill is farsighted and cannot see objects clearly that are closer to the eye than 80.0 cm. What is ... (Read 92 times)

nelaaney

  • Hero Member
  • *****
  • Posts: 560
Jill is farsighted and cannot see objects clearly that are closer to the eye than 80.0 cm. What is the refractive power of the contact lenses that will enable her to see objects at a distance of 25.0 cm from her eyes?
 
  A)
 
  +2.75 diopters
  B)
 
  -2.75 diopters
  C)
 
  -4.72 diopters
  D)
 
  +4.72 diopters
  E)
 
  +7.00 diopters

Question 2

An object of mass 10.0 kg is initially at rest. A 100 N force causes it to move horizontally through a distance of 6.00 m. What is the change in the kinetic energy of this object?
 
  A)
 
  0 J
 
  B)
 
  200 J
 
  C)
 
  60.0 J
 
  D)
 
  600 J
 
  E)
 
  1000 J



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meganmoser117

  • Sr. Member
  • ****
  • Posts: 303
Answer to Question 1

A

Answer to Question 2

D





 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

For a complete list of videos, visit our video library