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Author Question: Two capacitors with capacitances of 1.0 mF and 0.50 mF, respectively, are connected in series. The ... (Read 75 times)

MirandaLo

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on: Jul 28, 2018
Two capacitors with capacitances of 1.0 mF and 0.50 mF, respectively, are connected in series. The system is connected to a 50-V battery. What electrical potential energy is stored in the 1.0-mF capacitor?
 a. 5.6  10-4 J
  c. 0.065  10-3 J
  b. 4.3  10-3 J
  d. 1.4  10-4 J

Question 2

A baseball pitcher loosens up his pitching arm. He tosses a 0.20-kg ball using only the rotation of his forearm, 0.32 m in length, to accelerate the ball. What is the moment of inertia of the ball alone as it moves in a circular arc with a radius of 0.32 m?
 a. 1.5  10-2 kgm2
  c. 4.0  10-2 kgm2
  b. 2.0  10-2 kgm2
  d. 7.6  10-2 kgm2


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wtf444

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

D

Answer to Question 2

B


MirandaLo

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


wtf444

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


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