Energy Formulae Flashcards
1
Q
Specific Heat Capacity
A
^e = m x c x ^O
change in energy = mass x SHC x change in temperature
2
Q
Work Done
A
F x s
force x distance
3
Q
Efficiency
A
useful energy output / total energy input
4
Q
Elastic Potential Energy
A
- 5 x k x e*2
0. 5 x spring constant x extension*2
5
Q
Power
A
W / t
work done / time
6
Q
Gravitational Potential Energy
A
m x g x ^h
mass x strength of gravity x change in height
7
Q
Kinetic
A
- 5 x m x v*2
0. 5 x mass x velocity (speed)*2
8
Q
m
A
mass (kg)
9
Q
v*2
A
velocity*2 (m/s)
10
Q
g
A
strength of gravity (N/kg)
11
Q
^h
A
change in height (m)
12
Q
W
A
work done
13
Q
t
A
time
14
Q
k
A
spring constant (N/m)
15
Q
e*2
A
extension*2 (m)
