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# Phyx eqns Misc

Acceleration Due to Gravity in terms of Newton's Law of Gravity g = GM/ r^2
Gravitational PE in terms of Newton's Law of Gravity (when h is near or bigger than the radius of a planet) PE= GMm/r
Velocity for something rotating around the earth v = √ (GM/r)
Magnetic Force is always _____ to velocity perpendicular
Work in terms of Energy W = ΔKE or W = ΔPE
A magnetic force can only change the ______ of a particle, not its ________ Direction speed
Increasing the intensity of light will increase what? the number of photons, not the energy of the individual photons
Density of Water 1000 kg/m^3
Momentum of a particle using Energy p= √(2 m KE)
Wavelength of a particle using KE λ = h/ √(2 m KE)
Electrical Power (2nd) P = I^2 R
Alpha Particle A helium particle that is released from a nucleus 4 2 He
Beta Particle Released when a neutron becomes a proton and the nucleus emits an electron (beta particle)
Gamma Particle a high energy photon released from a nucleus
Conversion of Celsius to Kelvin C + 273 = K
What determines the radius of a rotating charge in a magnetic field? The ratio of mass to charge
If a heat process is cyclic the change in Internal Energy is _____ U = 0
Lenz Law is a what kind of law? A conservation of energy law
Can an E field exist inside a conductor? No
If the si is positive it means_____ the image is real and on the other side of the lens
if si is negative it means______ the image is virtual and on the same side of the lens
For magnification a positive number means____ the image is upright
For magnification a negative number means____ the image is inverted
A real object is always positive
Isothermal Temp stays constant
Isobaric Pressure stays constant
Isochoric Volume stays constant
Adiabatic No heat flows in or out (looks like an isothermal process the final states have higher or lower temp)
Work done in a PV diagram Area under the curve
Temp in a PV diagram T = PV
Created by: cstephens125