(measured value-expected value)
Atomic Number is the number of
If a nucleus emits a beta particle then the atomic # ____ and the mass ____.
changes and stays the same
where n is the number of turns per length and the I is current
When power goes up what happens to the resistance?
it goes down
What happens to the current when the voltage is doubled?
It is doubled
what 2 things does the magnetic field in a solenoid depend on?
diameter of the solenoid and direction of the current
the strength of magnetic field in a solenoid depends on what two things?
current and coil number
in a series circuit the current...
stays the same
what does ultrasonic imaging use?
doplar effect and beats
sound level is measured in
sound intensity is measured in
sound level equation
10dB log (intensity/I
force x distance
work over time
gravitational potential energy
mass x gravity x height
if kinetic energy is doubled what happens to the work and the force?
the work and the force also double
kinetic energy varies as
force over area
acceleration x time
how does gravitational force vary?
electric field is the
difference of voltage/ spacing
decreasing distance by 2 does what to intensity?
it increases it by as a f factor of 4
1/2 current x voltage
current x resistance
a watt is
volts x amps
where I is current and R is resistance
amps x ohms
a joule is
newton x meter
free fall equation for how far
1/2 gravity x time
distance travelled equation (from rest)
1/2 acceleration x time
Measurement, Newton's laws, work, energy, conservation of energy, buoyancy, sound, electricity, circuits, magnetic forces, the atom, nuclear physics in medicine.