Modern Physics
A red light has ___ energy than a blue light
Greater
This is a unit for measuring potential difference
Voltage
A newton is a ___
nerd
(unit of force)
This measurement has magnitude and direction
Vector
This type of wave requires a meduim to travel through
Mechanical
Protons and neutrons are under what classification
baryons/hadrons
Which particle's movement affects charge
Electrons
Potential energy of an object increases as ____ increases
the Height of the object
Inertia is another name for this
Mass
A sound wave is classified as this type of wave
Longitudal/Mechanical
Electrons are under what classification
Leptons
This metal is the best conductor of electricity
Silver
Mechanical energy is the sum of
Kinetic + Potential
A 5kg mass moving right at 2 m/s against another 5kg mass that is still will result in them moving in what direction
both moving to the right
This determines the energy of a wave
Amplitude
HC/λ=?
Energy of a photon
Which way do electric fields point
Positive to negative
What kind of energy changes if velocity changes
What is the kinetic energy of an object that weighs 15kg moving at 4m/s
120J
At what speed do electromagnetic waves travel
The Speed of Light
An atom contains 3 protons, 4 neutrons, and 2 electrons. How many quarks and leptons does it contain
21 quarks and 2 leptons
Ohm's law states that resistance is equal to
An object accelerates at 5m/s/s and starts at 2m/s and ends at 22m/s how far did it travel
48m
An object that weighs 42kg moving at 27m/s carries how much momentum
1,134kg⋅m/s
in a wave, how far out of phase is a crest from the nearest trough
180 degrees