Explain the effect of hail size on damage
What will be an ideal response?
Answer: The kinetic energy of a falling hailstone is proportional to the fourth power of its radius. For example, if the size of a hailstone doubles, the damage potential increases sixteen times.
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The cost of synfuels is presently too high to make them commercially attractive.
Answer the following statement true (T) or false (F)
The seafloor spreading hypothesis indicates what as the primary cause of continental movement?
A)volcanism in the ocean crust B)convergence of tectonic plates C)the formation and destruction of ocean basins D)the convection of mantle heat E)the decay of radioactive isotopes
What are four of the key issues surrounding U.S. immigration policy?
What will be an ideal response?
The dominant wavelength of energy emitted by the Sun is
A) shorter than that emitted by Earth. B) longer than that emitted by Earth. C) the same length as that emitted by Earth.