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Author Question: The element named ______________ was detected spectroscopically on the Sun before it was found on ... (Read 26 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
Great answer, keep it coming :)

amandalm

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Reply 3 on: Yesterday
Wow, this really help

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