Equations Flashcards
What is the equation linking kinetic energy,mass and speed?
Kinetic energy=1/2 x mass x speed^2
What is the equation linking elastic potential energy,extension and spring constant?
Elastic potential energy= 1/2 x spring constant x extension^2
What is the formula to calculate Gravitational Potential Energy?
GPE= mass x gravitational field strength x height
What is the formula for weight?
Weight= mass x gravitational field strength
What is the equation for power energy and time?
Energy= power x time
What is the equation for specific heat capacity and energy?
energy=mass x specific heat capacity x temperature change
What is the equation for efficiency?
Efficiency= useful power output/total power input
Efficiency= useful energy output/total energy input
What is the equation linking charge current and time?
Charge= current x time
What is the equation linking potential difference current and resistance
Voltage= current x resistance
What is the equation for power current and voltage?
Power= current x voltage
What is the equation linking power current and resistance?
Power= current^2x resistance
What is the equation for energy transferred power and time?
Energy transferred= power x time
What is the equation for Charge voltage and energy transferred
Energy transferred= Charge x potential difference
What is the formula for density?
Density=mass/ volume
What is the formula for work done?
Work done=Pressure x volume
What is the formula for work done using distance?
Work done= force x distance
What is Formula for force using sprint constant?
Force= spring constant x extension
what is the formula for a moment of a force?
moment of a force= force x distance
What is the formula of pressure?
Pressure= Force normal to a surface/Area of that surface
What is formula for distance travelled?
Speed x time
What is the formula for acceleration?
Acceleration=change in velocity/ time taken
Acceleration= final vel- initial vel/time taken
what is the formula for resultant force?
Resultant force = mass x acceleration
What is the formula for momentum?
Momentum= mass x velocity
