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Author Question: A parallel-plate capacitor has a capacitance of 20 F. What potential difference across the plates is ... (Read 81 times)

Beheh

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on: Jul 28, 2018
A parallel-plate capacitor has a capacitance of 20 F. What potential difference across the plates is required to store 22  10-5 C on this capacitor?
 a. 2.2  10-2 V
  c. 11 V
  b. 1.4  10-8 V
  d. 70 V

Question 2

A uniform bridge span weighs 70.0  103 N and is 40.0 m long. An automobile weighing 15.0  103 N is parked with its center of gravity located 12.0 m from the right pier. What upward support force does the right pier provide?
 a. 24.5  103 N
  c. 65.0  103 N
  b. 35.5  103 N
  d. 45.5  103 N


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carojassy25

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

C

Answer to Question 2

D


Beheh

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Reply #2 on: Jul 28, 2018
TY


carojassy25

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Reply #3 on: Jul 28, 2018
You're welcome


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