equations Flashcards
1
Q
kinetic energy=
A
1/2mass x (velocity)2
2
Q
gravitational potential=
A
mass x gravity x height
3
Q
power 1=
A
energy
———
time
4
Q
power2=
A
work done
————
time
5
Q
efficiency 1=
A
useful power output
—————————
total power in
6
Q
efficiency 2=
A
useful energy output
——————————
total energy in
7
Q
charge=
A
current x time
8
Q
voltage=
A
current x resistance
9
Q
power (electrical 1)=
A
voltage x current
10
Q
power (electrical 2)=
A
current2 x resistance
11
Q
energy=
A
charge x voltage
12
Q
density=
A
mass
———
volume
13
Q
work done=
A
force x distance
