Equatations Flashcards
1
Q
Efficiency equation
A
Efficiency= Total output/total inputx100
2
Q
Work done equation
A
W=FxD
3
Q
GPE equation
A
GPE=MxGxH
4
Q
Kinetic energy equation
A
KE=0.5xMxV^2
5
Q
Power fomula
A
P=W/t
6
Q
Spring constant
A
Force = Spring constant x extention
7
Q
Acceleration
A
Acceleration = Change in speed/ time
8
Q
Gravitational potential
A
=Mass x Gravitational field strength x hieght
9
Q
Change in thermal energy
A
= Mass x specific heat capacity x temperature change
10
Q
Power
A
= energy transfer
Time
11
Q
Power 2 =
A
Energy transfer
Time
12
Q
Charge
A
= current x time
13
Q
Potential difference
A
= current x resistance
14
Q
Power (electrical)
A
=current^2 x resistance
15
Q
Energy =
A
= Power x time