A segment of wire of total length 2.0 m is formed into a circular loop having 5.0 turns. If the wire carries a 1.2-A current, determine the magnitude of the magnetic field at the center of the loop
a. 79 ?T
b. 69 ?T
c. 59 ?T
d. 89 ?T
e. 9.4 ?T
c
Physics & Space Science
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A gas expands from an initial volume of 30.0 L to a final volume of 65.0 L at a constant pressure of 110 kPa. How much work is done by the gas?
A) 3.85 kJ B) 10.4 kJ C) 3850 kJ D) 10.4 MJ E) 3.85 MJ
Physics & Space Science
_______________ are fossilized remains of colonies of single-celled organisms that built uplayer after layer of trapped sediments.?
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
The centroid of the assemblage of lines shown in the figure below is at coordinates (x, y, z):
(A) 3, 0.9, 0.4
(B) 4, 1.5, 2
(C) 3, 2, 1
(D) 2.4, 3, 1.4
Physics & Space Science
A phenomenon that occurs in the ionosphere is
a. the greenhouse effect. b. photosynthesis. c. Rayleigh scattering. d. auroras.
Physics & Space Science