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Home Q & A Board Science-Related Homework Help Physics Astronomy
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RedManchester23 RedManchester23
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6 years ago
The Earth's geological time scale is divided into four main
 
  A) epochs
  B) periods
  C) eras
  D) eons

Question 2

A 22-A current flows into a parallel combination of 4.0 , 6.0 , and 12  resistors.
 
  (a) What current flows through the 12- resistor?
  (b) What current flows through the 6.0- resistor?
  (c) What current flows through the 4.0- resistor?

Question 3

A right isosceles triangle is cut out from a piece of sheet metal. The two equal sides are 1.0 m long each. How far is the center of gravity from the right angle (90.) vertex of the triangle?
 
  A) 0.71 m
  B) 0.55 m
  C) 0.47 m
  D) 0.24 m
  E) 0.35 m

Question 4

A space station of diameter 40. meters is turning about its axis at a constant rate. What is the period of revolution of the space station if the outer rim experiences an acceleration of 2.5 m/s2?
 
  A) 10. s
  B) 14. s
  C) 11. s
  D) 13. s
  E) 18. s
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mlevans624mlevans624
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6 years ago
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#2
6 years ago
Appreciate this a lot, answers were right.
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