Motion
Motion is defined as...
a change in position
What is the difference between mass and weight?
Mass (kg) is how much stuff is packed into an object. Weight is the force pulling the objected downward (N).
Mass will not every change, Weight will change depending on location.
energy is measured in (label)
The two main categories of waves are what? How would you describe them?
mechanical (needs a medium)
Nonmechanical (requires no medium)
a digital signal is described as...
A signal discrete is yes/no
List the three variables associated with Newton's Second Law of Motion. Make sure to include their symbols and labels.
F(force - N) = m(mass - kg) * a (acceleration = m/s/s)
Describe ONE relationship from Newton's Gravitational Law.
Answer prompt..."Gravitational force and ______ have a _______ relationship."
Options are...
Force and mass have a direct relationship.
Force and distance have an indirect relationship.
Potential energy can be described into two MAIN categories: they are what and are described how?
Gravitational PE: position/height
Elastic PE: shape
What are the three types, and the descriptions, of mechanical waves?
Transverse = perpendicular
Longitudinal = parallel
Surface = BOTH
A positive and negative characteristic of an analog signal
(-) they are easily interfered with
What is momentum and what is it measured in (label)?
Property of a moving object that makes it difficult to stop (kg*m/s)
An electric force, or the attraction or repulsion between charged particles, creates an Electric field.
True or False
Electric fields are spaces around a charged particle where the particle exerts an electric force on other particles; and this happens without actually touching one another
Work is defined as
the energy transferred when a force is applied to move an object over a distance IN THE SAME DIRECTION
Which side of the EM spectrum has the least amount of energy? Describe a specific wave type and numerical values to support the identification.
Left side has lower energy due to low frequency and long wavelengths;
Example: Radio waves (f = 10^4) (wavelength = (10^3m)
a digital footprint is described as...
the electronic trail of activity online
KE is conserved for both of them.
Elastic collisions require both KE and momentum to be conserved.
Inelastic collisions only require KE (momentum is NOT conserved).
Force and charge have a direct relationship
Force and distance have an indirect relationship
Thermal energy is the total kinetic energy of moving particles of matter; affected by mass and temperature.
True or False
TRUE
Describe a characteristic difference (using the EM spectrum) between Gamma and Microwaves.
Provide a real-life application of the wave described.
Gamma rays require more energy (due to their right-side placement on the EM spectrum). They have a minimal wavelength of 10^-12 m. This type of harnessed energy can be fatal, as it is applied in nuclear activity.
Accepting the terms and agreement is an example of what type of footprint?
ACTIVE
15 m/s
25 * 3 = 75 (transfers all momentum to the other object) 75/5
Electromagnetism is defined as what...
the magnetism produced by an electric current (or the flow of charged particles)
This means that magnetic forces can operate through a system when electric charges are rotating
Give one reason why including the relationship betwen variables in thermal energy.
HOT TUB:
although the temperature may be lower than the pot of soup, there is more mass compared to the soup; therefore, the difference results in the hot tub being higher.
Describe the wave-particle model.
Describe what the particle model is best explaining.
The wave-particle model/theory explains that EM radiation can be both a particle and a wave.
The particle model explains the energy levels, lowering the electron and emitting or releasing energy as a packet of light (photon).
Due to its pathway, the wave model is better at moving energy or radiation.
Describe how the electromagnetic spectrum is related to signal deliverance.
What is a positive or negative.
VARIED.