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Author Question: A metallic conductor has a resistivity of 18 10-6 Wm. What is the resistance of a piece that is 15 ... (Read 72 times)

K@

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on: Jul 28, 2018
A metallic conductor has a resistivity of 18  10-6 Wm. What is the resistance of a piece that is 15 m long and has a uniform cross sectional area of 6.0  10-6 m2?
 a. 0.056 W
  c. 90 W
  b. 45 W
  d. 160 W

Question 2

A cylinder with its mass concentrated toward the center has a moment of inertia of 0.2MR2 . If this cylinder is rolling without slipping along a level surface with a linear speed v, what is the ratio of its rotational kinetic energy to its linear kinetic energy?
 a. 1/l0
  c. 1/2
  b. 1/5
  d. 1/1


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jennafosdick

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

B

Answer to Question 2

B


K@

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Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

bitingbit

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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