According to Kepler's Second Law of planetary motion, a planet moves fastest in its orbit when it is
A) undergoing retrograde motion
B) in between perihelion and aphelion
C) at perihelion
D) at aphelion
C
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The collision of two spiral galaxies will likely result in a single giant spiral galaxy
Indicate whether the statement is true or false
The person who first explained the discrete hydrogen atom spectrum was
a. Max Planck. b. Albert Einstein. c. Neils Bohr. d. Erwin Schrödinger. e. Werner Heisenberg.
The Compton effect justifies that light acts as photons
Indicate whether the statement is true or false
Describe and compare the modes of heat loss through the single-pane and double-pane window assemblies shown in the sketch below.
GIVEN
- A single-pane and a double-pane window assembly
FIND
(a) The modes of heat transfer for each
(b) Compare the modes of heat transfer for each
ASSUMPTIONS
- The window assembly wood casing is a good insulator
SKETCH
