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Author Question: A spaceship leaves Earth at a steady forward speed of 70 the speed of light. How fast relative to ... (Read 117 times)

Brittanyd9008

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on: Jul 29, 2018
A spaceship leaves Earth at a steady forward speed of 70 the speed of light. How fast relative to the ship must the spaceship launch a shuttlecraft in the forward direction so that it will be moving away from Earth at 98.7 the speed of light?
 
  A) 0.91c
  B) 0.97c
  C) 0.93c
  D) 0.99c
  E) 0.84c

Question 2

A 9.00-F and a 12.0-F capacitor are connected together, and this combination is connected across a 25.0-V potential difference. How much electric energy is stored in the combination if they are connected (a) in parallel or (b) in series?
 
  What will be an ideal response?


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jliusyl

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

C

Answer to Question 2

(a) 6.56 mJ (b) 1.61 mJ


Brittanyd9008

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Reply 2 on: Jul 29, 2018
Gracias!

ktidd

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Reply 3 on: Yesterday
Wow, this really help

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