Equations Flashcards
(6 cards)
1
Q
Equation for kinetic energy
A
1/2 x mass x speed squared
2
Q
Equation for gravitational potential energy
A
Mass x gravitation field strength x height
3
Q
Equation for power
A
Work done / time
4
Q
Equation for efficiency
A
Total power output / total power input or useful energy transfer / total energy transfer
5
Q
Equation for density
A
Mass / volume
6
Q
Electricity in the home equations
A
P= iv
V=ir
Q=it
P=i^2r
E=pt
V=ar
E=qv
