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Author Question: The element named ______________ was detected spectroscopically on the Sun before it was found on ... (Read 86 times)

casperchen82

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on: Jul 28, 2018
The element named ______________ was detected spectroscopically on the Sun before it was found on Earth.
 Fill in the blank(s) with correct word

Question 2

A long straight wire (diameter = 2.0 mm) carries a current of 40 A. What is the magnitude of the magnetic field 1.5 mm from the axis of the wire?
 a. 3.0 mT
  b. 12 mT
  c. 5.3 mT
  d. 7.4 mT
  e. 8.0 mT


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wergv

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

helium

Answer to Question 2

c


casperchen82

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Reply 2 on: Jul 28, 2018
:D TYSM

DylanD1323

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Reply 3 on: Yesterday
Excellent

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