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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}

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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