A material is optically active if it:
a. absorbs light passing through it.
b. transmits all light passing through it.
c. exhibits interference.
d. rotates the plane of polarization of the light passing through it.
d
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Derive an equation in the form ch = f(T, D, U?) for flow of air over a long horizontal cylinder for the temperature range 0°C to 100°C, as a basis for water in the temperature range 10°C to 40°C.
GIVEN
• Water flow over a long horizontal cylinder
• Water temperature range is 10°C < T < 40°C
FIND
• An equation in the form h c= f(T, D, U?) based
ASSUMPTIONS
• Steady state
• Temperature difference between water and the cylinder is small enough that the Prandtl number variation is negligible
• The density of water can be considered constant
SKETCH
A(n) _______________ is an atom that has gained or lost one or more electrons
Fill in the blank(s) with correct word
The letters LMC refer to the galaxy named _______________
a. Light Magellanic Collection b. Large Magellanic Collection c. Large Magellanic Cloud d. Light Magellanic Cloud
A 2.00-kg ball has zero potential and kinetic energy. Maria drops the ball into a 20.0-m deep well. After the ball comes to a stop in the mud, the sum of its potential and kinetic energy is:
a. 392 J. c. 784 J. b. -392 J. d. zero.