Here you will find the most common physics equations and formulas used in high school and fundamental university courses. These include, but are not limited to, mechanics, kinematics, energy, uniform circular motion, and waves formulas.
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Where x is the displacement and t the time. The first equation gives the average velocity while the second equation is the instantaneous velocity
Where v is the velocity and t the time. The first equation gives the average acceleration while the second equation is the instantaneous acceleration
Where m is the mass of the object and a is the acceleration
Where m is the mass and g is the gravitational acceleration. On earth, it is 9.8 m/s2.
|Δx =||v0t +||
|v2 = v02 + 2aΔx|
|PEg = mgh [Joules]|
Where m is the mass of the object, g is the gravitational constant 9.8 m/s2, and h is the height of the object
Where m is the mass of the object, v is the velocity of the object
Where k is the spring constant and x is the displacement
Where theta is the angular displacement. The first equation gives the average angular velocity, while the second is the instantaneous angular velocity. The third equation gives the average angular acceleration, while the fourth is the instantaneous angular acceleration
|v = ωr|
|a = αxr - ω2r|
The angular velocity ω can be converted into a linear velocity v with this equation where r is the radius.
The angular acceleration α can be converted into a linear acceleration a with this equation where r is the radius
|τ = r x F|
Where F is the force acting in the direction of rotation, and r is the arm length
Where T is the period of the wave
Where λ is the wavelength and ƒ is the frequency
|n1θ = n2θ|
Where n1 and n2 are the indices of refraction for the given mediums and θ1 is the angle of incidence and θ2 is the angle of refraction