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Percent difference
(measured value-expected value) x 100expected value
Atomic Number is the number of
Protons
If a nucleus emits a beta particle then the atomic # ____ and the mass ____.
changes and stays the same
Solenoid equation
μ_{0} nI 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
decibels
sound intensity is measured in
watts/meter^{2}
sound level equation
10dB log (intensity/I_{0} )
frequency is
beats/second
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
velocity^{2}
pressure is
force over area
velocity is
acceleration x time
how does gravitational force vary?
by distance^{2}
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
Energy Stored
1/2 current x voltage^{2}
voltage is
current x resistance
a watt is
volts x amps joules/seconds
disipating power
I^{2} R where I is current and R is resistance
a joule is
newton x meter
free fall equation for how far
1/2 gravity x time^{2}
distance travelled equation (from rest)
1/2 acceleration x time^{2}
Card Set Information
Author:
Anonymous
ID:
83958
Filename:
Physics Overview
Updated:
2011-05-05 15:31:27
Tags:
Measurement Newton laws work energy conservation buoyancy sound electricity circuits magnetic forces atom nuclear physics medicine
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Description:
Measurement, Newton's laws, work, energy, conservation of energy, buoyancy, sound, electricity, circuits, magnetic forces, the atom, nuclear physics in medicine.
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