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Author Question: Light which reflects off a pond of water undergoes a phase shift of A) 90. B) 180. C) 0. D) ... (Read 101 times)

Wadzanai

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on: Jul 27, 2018
Light which reflects off a pond of water undergoes a phase shift of
 
  A) 90.
  B) 180.
  C) 0.
  D) 270.
  E) 45.

Question 2

A cylinder of radius R and mass M rolls without slipping down a plane inclined at an angle  above horizontal.
 
  (a) What is the torque about the point of contact with the plane?
  (b) What is the moment of inertia about the point of contact?
  (c) What is the linear speed of the cylinder t seconds after it is released from rest?


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tmlewis4706

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

(a) MgR sin
(b) 3MR2 / 2
(c) g t sin


Wadzanai

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Reply 2 on: Jul 27, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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