PHYSICS EQUATIONS Flashcards
What is the equation for thermal energy in terms of mass and latent heat?
E=ml
What is the equation for power in terms of potential difference and current?
P=VI
What is the equation for potential difference in terms of current and resistance?
V=IR
What is the equation for change in thermal energy in terms of mass, specific latent heat and change in temperature?
△E=mc△θ
What is the equation for power in terms of of energy transferred and time?
P=E/t
What is the equation for efficiency?
efficiency = useful total output/total output
What is the equation for charge flow in terms of current and time?
Q=It
What is the equation for power in terms of current and resistance?
P=(I^2)(R)
What is the equation for energy transferred in terms of charge flow and potential difference?
E=QV
What is the equation for density in terms of mass and volume?
ρ=m/V
What is the equation for constant, in terms of gas pressure and volume?
pV=constant
What is the equation for a moment in a force in terms of force and distance?
M=Fd
What is the equation for speed in terms of distance and time?
v=s/t (speed = distance/time)
What is the equation for velocity^2 in terms of initial velocity, acceleration and distance? (suvat)
v^2=u^2 + 2as
[v^2 - u^2 = 2as]
What is the equation for acceleration in terms of change in velocity and time?
a=△v/t