A block of wood is floating in water. If the temperature of the water increases, what happens to the fraction of the block above water?
a. It increases.
c. It stays the same.
b. It decreases.
d. It can be any of the above answers depending on the initial and final temperatures.
D
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Wave Characteristics: Which one of the following lists gives the correct order of the electromagnetic waves from longer wavelength to shorter wavelength?
A. radio waves, infrared, microwaves, ultraviolet, visible, x-rays, gamma rays B. radio waves, ultraviolet, x-rays, microwaves, infrared, visible, gamma rays C. radio waves, microwaves, visible, x-rays, infrared, ultraviolet, gamma rays D. radio waves, microwaves, infrared, visible, ultraviolet, x-rays, gamma rays E. radio waves, infrared, x-rays, microwaves, ultraviolet, visible, gamma rays
During which step in the website plan shown above would you determine the website's subsidiary pages?
A. Step 1 B. Step 2 C. Step 3 D. Step 4
If the maximum E-component of an electromagnetic wave is 600 V/m, what is the maximum B-component?
a. 1.4 T b. 1.8 × 10^?5 T c. 2.0 × 10^?6 T d. 1.0 × 10^?3 T e. 1.6 × 10^?10 T
Why is gasification being pursued as an option for coal use?
What will be an ideal response?