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Author Question: How much energy is necessary to place three charges, each of 2.0 C, at the corners of an equilateral ... (Read 60 times)

jman1234

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on: Jul 27, 2018
How much energy is necessary to place three charges, each of 2.0 C, at the corners of an equilateral triangle of side 2.0 cm?
 
  What will be an ideal response?

Question 2

A basketball is thrown with a velocity of 20. m/s at an angle of 60. above the horizontal. What is the horizontal component of its instantaneous velocity at the exact top of its trajectory? (Neglect air friction.)
 
  A) 10. m/s
  B) zero
  C) 20. m/s
  D) 17.3 m/s
  E) 20. tan(60) m/s


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frejo

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Reply #1 on: Jul 27, 2018
Answer to Question 1

5.4 J

Answer to Question 2

A


jman1234

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Reply 2 on: Jul 27, 2018
:D TYSM

dawsa925

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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