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Author Question: Find the electrical potential at 0.055 m from a point charge of 6.0 mC. (ke = 8.99 109 Nm2/C2) a. ... (Read 53 times)

Kikoku

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on: Jul 28, 2018
Find the electrical potential at 0.055 m from a point charge of 6.0 mC. (ke = 8.99  109 Nm2/C2)
 a. 1.5  105 V
  c. 9.8  105 V
  b. 1.2  107 V
  d. 3.6  105 V

Question 2

A model rocket sits on the launch pad until its fuel is ignited, blasting the rocket upward. During the short time of blast-off, as the ignited fuel goes down, the rocket goes up because:
 a. the fuel pushes on the ground. b. air friction pushes on the escaping fuel.
  c. the downward force of gravity on the rocket is less than the rate of downward momentum increase of the fuel.
  d. of none of the above reasons.


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Tabitha_2016

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

C

Answer to Question 2

C


Kikoku

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Reply 2 on: Jul 28, 2018
Wow, this really help

FergA

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Reply 3 on: Yesterday
:D TYSM

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