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Author Question: Jill is farsighted and cannot see objects clearly that are closer to the eye than 80.0 cm. What is ... (Read 95 times)

nelaaney

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on: Jul 29, 2018
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


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meganmoser117

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Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


nelaaney

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Reply #2 on: Jul 29, 2018
Thank you!


meganmoser117

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Reply #3 on: Jul 29, 2018
Always glad to help...


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