Career Project by Jael J. Johnson
Dentist examine patient's mouth and teeth and correct dental errors. Most dentist are general
practitioners meaning the perform the task of: Filling in cavities, pulling teeth, repairing cracked or
14.1 Conceptual Questions
1) When a guitar is tuned to adjust it pitch, what is it that is changed?
A) The wavelength of the fundamental.
B) The frequency of the fundamental.
C) The amplitude of the fundamental.
2) Seven seconds after a brillian
U N IV ER S A L G R A V ITATIO N
H istory ofG ravity
Ptolemy c. AD 90 c. 168
All objects go to their natural place
Main text for 1600 years
Copernicus 1473 1543
Brahe & Keppler
(Keppler - (15711630)
Of light and time
Light year (ly) -
Light takes a certain amount
of time to travel from an
object/ event to us. The
further away something is, the
greater that amount of time is
Sooo We look at stars. We
see the past
distance that light travel
Rotation & Revolution
A straight line through which circular motion
All points on object orbit around the axis
All rotation/revolution requires an axis
Object rotating about an internal axis