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Author Question: A rigid rod of length l rotates about an axis perpendicular to the rod, with one end of the rod ... (Read 37 times)

vHAUNG6011

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on: Jul 28, 2018
A rigid rod of length l rotates about an axis perpendicular to the rod, with one end of the rod fixed to the axis. Which of the following are equal at all points on the rod? I. the angular position II. the angular velocity III. the angular acceleration IV. the centripetal acceleration V. the tangential acceleration
 a. I and II
  b. I, II, and III
  c. I, II, III and IV
  d. I, II, III, IV and V
  e. I, II and IV.

Question 2

A small sphere attached to a light rigid rod rotates about an axis perpendicular to and fixed to the other end of the rod. Relative to the positive direction of the axis of rotation, the angular positions of the sphere are negative, its angular velocity is negative, and its angular acceleration is negative. The sphere is
 a. rotating clockwise and slowing down.
  b. rotating counterclockwise and slowing down.
  c. rotating clockwise and speeding up.
  d. rotating counterclockwise and speeding up.
  e. first rotating counterclockwise and then clockwise.


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fauacakatahaias

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


vHAUNG6011

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Reply 2 on: Jul 28, 2018
Wow, this really help

mohan

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Reply 3 on: Yesterday
Excellent

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