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Author Question: You measure a 20.0-V potential difference across a 5.00-W resistor. What is the current flowing ... (Read 90 times)

itsmyluck

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on: Jul 28, 2018
You measure a 20.0-V potential difference across a 5.00-W resistor. What is the current flowing through it?
 a. 5.00 A
  c. 100 A
  b. 4.00 A
  d. 1.00 A

Question 2

A bucket of water with total mass 23 kg is attached to a rope, which in turn is wound around a 0.050-m radius cylinder, with crank, at the top of a well. The moment of inertia of the cylinder and crank is 0.21 kgm2 . The bucket is raised to the top of the well and released to fall back into the well. What is the kinetic energy of the cylinder and crank at the instant the bucket is moving with a speed of 6.0 m/s?
 a. 2.1  103 J
  c. 0.86  103 J
  b. 1.5  103 J
  d. 0.40  103 J


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mcomstock09

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

B

Answer to Question 2

B


itsmyluck

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


mcomstock09

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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