Equations Flashcards
what is the equation for potential difference?
potential difference = current/resistance
what is the equation for charge?
charge = current × time
what is the equation for gravity?
weight = mass x gravity
what is the equation for frequency?
frequency = 1/time period
what is the equation for wave speed?
wave speed = frequency x wave length
what is the equation for work done?
work done = force x distance
what is the equation for Hooke’s law?
force = spring constant x extension
power equation
power(kinetic energy)=1/2 X mass X velocity
what is the equation for ohm’s law?
potential difference = current × resistance
what is the equation for gravitational potential energy?
GPE(Ep)= M x G x H
what is the equation for elastic potential energy?
Ee=(1/2)K x E^2(squared)
What is the equation for acceleration?
acceleration= change in velocity/time taken
What is the equation for momentum?
momentum= mass X velocity
What is the equation for power in circuits?
Power= Potential difference X current Power= current^2 X resistance
What is the equation for power and efficiency?
power= energy transferred/time
power=work done/time
What is the equation for efficiency?
efficiency= useful energy transfer/total energy transfer efficiency= useful power output/total power input
What is the equation for energy transferred?
energy transferred= power X time
energy transferred = charge flow X potential difference
what is the equation for density?
density= mass/ volume
