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Author Question: Estimate the mass of a nucleus with radius 2.8 10-15 m. (1 u = 1.6605 10-27 kg) A) about 7.5 ... (Read 90 times)

craiczarry

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on: Jul 29, 2018
Estimate the mass of a nucleus with radius 2.8 10-15 m. (1 u = 1.6605  10-27 kg)
 
  A) about 7.5  10-27 kg B) about 4.7  10-26 kg
  C) about 2.1  10-26 kg D) about 2.3  10-26 kg

Question 2

A 15-F capacitor is connected to a 50-V battery and becomes fully charged. The battery is removed and a slab of dielectric, having a dielectric constant of 5.0, is inserted between the plates and completely fills the space between them.
 
  (a) What is the capacitance of the capacitor after the slab is inserted? (b) What is the potential difference across the capacitor with the dielectric inserted.


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ttt030911

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

(a) 75 F (b) 10 V


craiczarry

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


ttt030911

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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