Studied by 11 peopleWeight
W=m×g
Work done
W=F×s
Force on a spring
F=k×e
Acceleration
a=∆v÷t
Resultant force
F=m×a
Momentum
p=m×v
Kinetic energy
Ek=½×m×v²
GPE
Ep=m×g×h
Power
P=E÷t
Power (work done)
P=W÷t
Efficiency
Useful output energy÷Total input energy
Wave speed
v=ƒ×λ
Charge flow
Q=I×t
Potential difference
V=I×R
Power (electricity)
P=V×I
Power (resistance)
P=I²×R
Energy transferred
E=P×t
Energy transferred (P.D)
E=Q×V
Density
p=m÷v
Distance
s=v×t
Note
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