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

Physics & Space Science

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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

Physics & Space Science

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.

Physics & Space Science

The Compton effect justifies that light acts as photons

Indicate whether the statement is true or false

Physics & Space Science

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

Physics & Space Science