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Author Question: An ant walks down the surface of a ball. If the ant begins to slip when the normal force is less ... (Read 70 times)

hbsimmons88

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on: Jul 29, 2018
An ant walks down the surface of a ball. If the ant begins to slip when the normal force is less than one-third of the tangential component of the ant's weight, at what angle, measured from the top of the ball, does the ant begin to slip?
 
  A) 70.5
  B) 19.5
  C) 55.0
  D) 18.4
  E) 35.2

Question 2

A person is nearsighted with a near point of 75. cm. (a) What FOCAL LENGTH is this? (b) What POWER lens is needed to correct their nearsightedness (assuming distance from lens to eye is negligible)?
 
  What will be an ideal response?


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kilada

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

D

Answer to Question 2

(a) -75. cm
(b) -1.33 Diopters


hbsimmons88

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Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

xiazhe

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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