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Author Question: An 10.0-W resistor is dissipating 100 watts. What are the current through it and the difference of ... (Read 46 times)

Alainaaa8

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on: Jul 28, 2018
An 10.0-W resistor is dissipating 100 watts. What are the current through it and the difference of potential across it?
 a. 31.6 A, 3.16 V
  c. 3.16 A, 31.6 V
  b. 10.0 A, 3.16 V
  d. 3.16 A, 10.0 V

Question 2

A turntable has a moment of inertia of 3.00  10-2 kgm2 and spins freely on a frictionless bearing at 25.0 rev/min. A 0.600-kg ball of putty is dropped vertically on the turntable and sticks at a point 0.100 m from the center. By what factor does the angular momentum of the system change after the putty is dropped onto the turntable?
 a. 1.22
  c. 0.820
  b. 1.00 (no change)
  d. 1.20


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jasonq

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

C

Answer to Question 2

B


Alainaaa8

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  • Posts: 576
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

nguyenhoanhat

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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