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This equation can describe
velocity or speed. When d represents distance, the equation describes
speed. When d represents displacement, v is equal to velocity.

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This equation describes
acceleration, which is the change in velocity, or displacement/ unit
time, per unit time. SI units are in m/s^2

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This equation requires constant
acceleration to hold true. x is displacement, v is velocity, t is time,
and a is the acceleration.

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This equation requires constant acceleration to hold true. v is velocity, a is acceleration, and t is time.

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This equation requires constant acceleration to hold true. v is velocity, a is acceleration, x is displacement.

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This equation requires constant
acceleration to hold true. v(avg) is average velocity, v(o) is original
velocity, v is current velocity.

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This equation requires constant
acceleration to hold true. v is velocity, g is gravitational
acceleration (9.8m/s/s) and h is height fallen.

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This equation describes an object
moving in a circle at a constant speed v which experiences a
centripetal acceleration a(c) that is proportional to the square of its
speed and inversely proportional to the radius of the circle which is
circumscribes.

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This equation describes the centripetal force applied to an object to give it a certain centripetal acceleration.

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This equation describes the force
due to gravity on two objects of masses m(1) and m(2) at a distance r. G
is the gravitational constant.

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This equation is Hooke's law,
which describes the force generated when an object is deformed. k is the
spring constant unique to the specific object, and x is the
displacement from the rest position.

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This equation describes the force
which acts on an object directly down the plane of an inclined plane
when gravity is the only force on that object.

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This equation describes the
normal force which acts on an object on an inclined plane when gravity
is the only force on that object.

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This equation describes the force
on an object due to kinetic friction. Note, in order for friction to
kinetic, both plane of the objects MUST be SLIDING past each other. This
means cars tires do NOT experience kinetic friction.

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This equation describes static
friction acting between two objects which are stationary due to each
other. This force must be overcome to slide the objects past each other.

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This is Newton's second law, stating that the Force (net force) on an object is proportional to is mass and acceleration.

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This equation describes power. P is power, E is energy, and t is time.

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This equation describes power. P is power, F is force, v is velocity, and theta is the angle between F and v.

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This equation describes elastic potential energy. k is the spring constant, x is displacement.

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This equation describes gravitational potential energy. m is mass, g is gravitational acceleration, and h is height.

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This equation describes kinetic energy.

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This equation describe torque.
Tau is torque, F is the force, and l is the lever arm (direction of
force perpendicular to the axis of rotation.

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This equation describes work. F is force, d is distance, and theta is the angle between the force and displacement.

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This equation describes total
work when no heat is gained or lost. K is kinetic energy, U is potential
energy, and E(i) is internal energy.

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This equation describes impulse.

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This equation describes momentum

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This equation describes rest mass energy.

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This equation describes fluid density. Rho is density, m is mass, and V is volume. Unit are usually Kg/m^3.

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This equation describes pressure due to a liquid at rest. P is pressure, F is force, and A is area.

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This equation describes the S.G. of a fluid. The S.G of water is 1. Fluids with higher S.G than 1 are more dense than water.

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This equation describes pressure
due to a colummn of fluid at rest. P is pressure, rho is density, g is
the gravitational constant, and y is the height of the column.

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This equation describe the
buoyant force on an object immersed in a fluid.Rho is the density of the
fluid, V is the volume of fluid displaced by object, and g is
gravitational acceleration.

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This equation describes volume flow rate. Q is rate, A is area, v is velocity of the fluid.

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Thisis bernoullis equation. K is a
constant, P is pressure, rho is density, v is velocity, g is
gravitational acceleration, and h is height.

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This equation describes the
velocity of a steam of water coming from a spigot at a height h below an
open container of water. v is velocity, g is gravitational
acceleration, and h is the height difference. Note for this equation to
hold true, the spigot and container must be exposed to the same external
pressure (atm)

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Modulus of elasticity

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This equation describes decibel levels.

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This equation describes resonant frequency for a pipe open or closed at both ends, or a string with both ends tieddown

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This equation describes beat frequency

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This equation describes resonant frequency for a string tied at one end of a pipe open at one end

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The doppler effect

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The doppler effect

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Velocity of electromagnetic radiation (c = 3 x 10^8)

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Period of a wave

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This equation describes the maximum voltage of an AC current. V(rms) is the root mean square voltage (120 in AC outlets)

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This equation describes the maximum current of an AC circuit. I(rms) is the root mean square voltage.

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This equation describes capacitance. C is capacitance in farads, Q is charge on the plates, V is voltage between the plates.

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This equation describes potential energy of a capacitor

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This equation describes potential energy of a capacitor

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This equation describes potential energy of a capacitor

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This equation describes the force on a charge q due to an electric field E

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This equation describes the
potential energy of a point charge in an electric field due to an
electric force times displacement of the charge (arbitrary, similar to
gravitational pot energy)

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Voltage. E field strength times distance

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Potential energy. Voltage times charge

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Force due to two point charges with charge q1 and q2 and distance between them r

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Potential energy due to two point charges

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Electric field due to a point charge

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Electric field due to a point charge

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Magnetism. q = charge, v = velocity , B= mag field strength, theta = angle between v and B

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Voltage = current times resistance

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Power = current times voltage

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Power = current squared times resistance

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Power = voltage squared divided by resistance

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This equation relates the speed of electromagnetic radiation, c, to its frequency and wavelength

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This is the relative speed of light in a medium. C is speed of light in a vacuum.

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This equation describes the energy of a photon.

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This equation describes the
refraction of a light wave when passing between two medium of different
indices of refraction. Note, a higher index of refraction results in a
lower speed in that medium.

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Equation relating focal point of mirror to center of curvature.

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The thin lens equation.

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Lens power. (focal point)

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Magnification