Equations Flashcards
1
Q
What is the equation for density?
A
Mass/Volume
2
Q
Equation for speed?
A
Distance/time
3
Q
Equation for wavespeed?
A
Frequency x Wavelength
4
Q
Equation for Weight?
A
Gravity x Mass
5
Q
Equation for Work Done?
A
Force x Distance
6
Q
Kinetic energy?
A
0.5 x Mass x (velocity)2
7
Q
Power (potential difference involved)
A
Potential Difference x current
8
Q
Power (work done involved)
A
Work done / time
9
Q
Charge Flow?
A
Current x time
10
Q
Power? (Energy transferred)
A
Energy transferred/time
11
Q
Efficiency (transfer)
A
Useful output energy transfer/ total input energy transfer
12
Q
Efficiency
A
Useful power output/ total power input
13
Q
Power (resistance related)
A
(Current)2 x resistance
14
Q
Energy transferred?
A
Power x time
15
Q
Resultant force
A
Mass x acceleration
