The statement, "There are regions beneath Earth's crust that will always be beyond the reach of scientific investigation" is
A) a fact.
B) speculation.
C) a hypothesis.
D) a scientific statement.
E) a theory.
Answer: B
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Determine the difference equations applicable to the centerline and at the surface of an axisymmetric cylindrical geometry with volumetric heat generation and convection boundary condition. Assume steady-state conditions.
GIVEN
Axisymmetric, steady, cylindrical geometry with volumetric heat generation and surface
convection boundary condition
FIND
(a) Difference equations for the centerline and surface
SKETCH
At its brightest, Venus, at magnitude -4, is 100 times brighter than a 1st magnitude star
Indicate whether the statement is true or false
If a galaxy is receding at 0.10 c, how far away is the galaxy if the Hubble parameter is 70 km/s/Mpc?
A) 1.4 × 109 ly B) 23 Mpc C) 76 Mly D) 7 Mpc E) 1.4 × 107 ly
A string of length L with fixed ends is made to go into standing wave patterns. What is the longest wavelength associated with all possible standing wave patterns in this situation?
a. L/4 b. L/2 c. L d. 2L