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Author Question: An object is placed at the center of curvature of a concave mirror. The object distance is a) ... (Read 85 times)

rl

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on: Jul 28, 2018
An object is placed at the center of curvature
  of a concave mirror. The object distance is
  a) zero.
  b) shorter than the focal length.
  c) the same as the focal length.
  d) twice the length of the focal length.

Question 2

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.


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chevyboi1976

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

d

Answer to Question 2

b


rl

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Reply 2 on: Jul 28, 2018
:D TYSM

aliotak

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Reply 3 on: Yesterday
Wow, this really help

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