Physics Equations Flashcards
What is the formula for kinetic energy?
0.5 * mass * speed^2
What is the formula for elastic potential energy?
spring constant * extension^2
What is the formula for gravitational potential energy?
mass * height * grav stregnth
What is the formula for change in thermal energy?
mass * SHC * temperature change
What are the formulas for power?
energy transferred / time (or) work done / time
What is the formula for efficiency?
useful output energy transfer / total input energy transfer
What is the formula for charge flow?
current * time
What is the formula for potential difference?
current * resistance
What are the other formulas for power?
potential difference * current (or) current^2 * resistance
What are the formulas for energy transferred?
power * time (or) charge flow * potential difference
What is the formula for density?
mass / volume
What is the formula for thermal energy for a change in state?
