Mechanics
what is inertia?
mass
units for power
watts or joules/sec
if two charged spheres touch each other, how do you find the final charge on each sphere?
add the charges and divide by 2
what is the speed of all types of electromagnetic waves in a vacuum?
3.00 x 108 m/s
What is the lowest energy state of an atom?
the ground state
What is the slope on a velocity-time graph?
acceleration
how much is 1 eV?
1.6 x 10-18joules
all resistors in parallel have equal...
voltage
how is the direction of a magnetic field defined by a compass?
the direction the compass needle points
how are electrons held near the nucleus?
the electrostatic force
name 2 vectors
velocity, displacement, momentum, force acceleration
as velocity changes, kinetic energy...
changes
all resistors in series have equal...
what type of waves are light waves?
transverse
what is a photon?
a particle of light
name 2 scalars
speed, distance, time, energy
does mechanical energy change change for a free falling mass or swinging pendulum?
no
all charge changes result from the movement of what particles?
electrons
through what processes is wave behavior proven?
diffraction and interference
where do electromagnetic waves originate from?
accelerating charged particles
An unbalanced force must produce...
acceleration
Mechanical energy is is the sum of what?
potential and kinetic energy
what type of wire makes the best conductors?
short fat cold wires
what determines the energy of a sound wave?
it's amplitude
the particle behavior of light is proven by what effect?
the photoelectric effect