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Summary Physics - PHYS132
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Providing knowledge for theory test three which is chapters 11, 12, 22 and 24 as well as a link for the textbook for more guidance
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Complete Test Bank Physics Principles With Applications 7th Edition Giancoli Questions & Answers with rationales (Chapter 1-33)
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Physics132 Test threeA wave travels along its medium but the individual particles just move up and down. (all types of
waves (traveling) transport energy)
Wave pulse shows that it begins with a vibration and transmitted through internal forces in the
medium. If the vibration is simple harmonic motion then the wave will be sinusoidal.
Wave characteristics
There is a longitudinal wave and transverse wave
Speed of a wave
This depends on the medium its traveling through. [For longitudinal eaves the speed also depends
on the propagation of the medium]
If the tension is greater than the v is greater. Also is the u is greater the more inertia the cord has and
the wave will propagate slower
Sound waves are longitudinal waves- long waves can be platted graphically by plotting the density of
air molecules.
, Types of waves: longitudinal/ transverse wave
Earthquakes produce both longitudinal and transverse waves, both types can travel through solid
material but only longitudinal can propagate through fluid.
Table showing the different waves
Longitudinal wave Transverse wave
Speed depends on the propagation of the Speed depends on the medium it travels in
medium
Sound waves
Can propagate through fluid
Energy transported by waves
The energy transported by waves is
proportional to the square of the
amplitude.
Intensity is proportional to the square
of their amplitude
If a wave is able to spread out 3d
from its source and the medium is uniform the wave is spherical, as long as the power is constant we
see that intensity is inversely proportional to the r^2
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