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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
μ0 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/meter2
sound level equation
10dB log (intensity/I0 )
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
velocity2
pressure is
force over area
velocity is
acceleration x time
how does gravitational force vary?
by distance2
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 voltage2
voltage is
current x resistance
a watt is
volts x amps joules/seconds
disipating power
I2 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 time2
distance travelled equation (from rest)
1/2 acceleration x time2
Author:
Anonymous
ID:
83958
Card Set:
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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