The loops shown below are immersed in a uniform magnetic field parallel to the plane of the drawing. (The step vector shown is a typical one for each loop.)
A. 
B. 
C. 
D. 
E. E
E. E
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Which would have the higher activation energy for diffusion, carbon in iron or nickel in iron? The atomic radius of carbon is 0.077 nm, the atomic radius of nickel is 0.124 nm, and the atomic radius of iron is 0.124 nm. _____________
Fill in the blank(s) with the appropriate word(s).
The current W3C style sheet standards include modules for both CSS Levels 3 and 4.
Answer the following statement true (T) or false (F)
What does not characterize a scientific explanation?
a. It is based on the ideas of the smartest people. b. It is based on a model of nature. c. It is based on observations. d. It is tested through prediction and experiments.
A projectile is launched at an angle of 15° above the horizontal and lands downrange. With no air resistance, what other projection angle for the same speed would produce the same downrange distance?
A) 30° B) 45° C) 50° D) 75° E) 90°