Physics 2 Test 1 formulas

Hooke’s law

F = -kx

Hooke’s law combined with newtons second

SHM in time

Velocity of SHM

Acceleration of SHM

Angular frequency depending on spring constant and mass of block

Period depending on spring constant and mass

Period

T= 2pi/w

Instant kinetic energy of SHM system

Instant spring potential energy of a SHM system

Total mechanical energy of a SHM system

If motion starts before the clock, is the phase angle positive or negative?

Positive

Under damped oscillation

Critically damped oscillation

Over damped oscillation

Longitudinal waves

Motion of particles parallel to wave propagation

Transverse waves

Motion of particles perpendicular to wave propagation

Frequency of oscillation

Number of cycles per second, measured in hertz (Hz).

Angular frequency

Wavenumber

Number of cycles per meter

Angular wave number

Speed of a wave

Traveling wave equation 1

Traveling wave equation 2

Y-axis motion of a transverse wave (position)

Y-axis motion of a transverse wave (Velocity)

Y-axis motion of a transverse wave (Acceleration)

Sound waves on a taught string

Where T is the tension and mu is the mass per unit length

Sound waves in a medium

Where B is the bulk modulus and rho is the density of the medium

Sound waves in air where there is a significant temp. Difference

Where Tc is the temperature in celsius

Term for high pressure region of sound

Compression

Low pressure region of sound

Rarefaction

Intensity of sound

Where P is power and A is area

Decibel conversion from W/m²

Doppler effect

Where v=speed of sound in air. Receding = negative v. Approaching = positive v.

Mach angle

Mach number

Constructive Interference

Destructive Interference

Phase difference

Phase difference for out of phase

Normal Modes for a taught string

Normal modes for a pipe open at both ends

Normal modes for a pipe open on one end

Resonance

Oscillator driven at a natural frequency

Carrier frequency of a beat

Beat frequency

Timbre

Another term for sound quality

Insulator

Charges stay put

Isolated conductor

Charges seperate

Conductor

Charges run to ‘ground’

Non uniform field

Uniform field

Which direction do field lines point always?

Towards the negative charge

Vector electric force equation

Superposition principle for electric force

Electric field strength with electric force

Electric field strength

Total electric field from a group of point charges

Electric field due to continuous charges distribution