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Author Question: The length of a telescope is 2.00 m and the focal length of the objective lens is 2.0 cm. What is ... (Read 66 times)

james9437

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on: Jul 29, 2018
The length of a telescope is 2.00 m and the focal length of the objective lens is 2.0 cm. What is the focal length of the eyepiece?
 
  A) 200 cm
  B) 202 cm
  C) 101 cm
  D) 2.0 cm
  E) 198 cm

Question 2

A very dense 1500-kg point mass (A) and a dense 1200-kg point mass (B) are held in place 1.00 m apart on a frictionless table.
 
  A third point mass is placed between the other two at a point that is 20.0 cm from B along the line connecting A and B. When the third mass is suddenly released, find the magnitude and direction (toward A or toward B) of its initial acceleration. (G = 6.67  10-11 N  m2/kg2)


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vseab

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

E

Answer to Question 2

1.8  10-6 m/s2, toward B


james9437

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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