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Phyx eqns Misc
| Question | Answer |
|---|---|
| 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
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