key equations Flashcards
1
Q
Kinetic Energy Formula?
A
KE = ½ mv²
2
Q
Gravitational Potential Energy Formula?
A
GPE = mgh
3
Q
Work Done Formula?
A
W = Fd
4
Q
Power (Energy Transfer) Formula?
A
P = E/t
5
Q
Efficiency Formula?
A
Efficiency = Useful output energy / Total input energy × 100
6
Q
Charge Formula?
A
Q = It
7
Q
Ohm’s Law Formula?
A
V = IR
8
Q
Electrical Power Formula?
A
P = VI or P = I²R
9
Q
Energy in a Circuit Formula?
A
E = QV
10
Q
Acceleration Formula?
A
a = (v - u) / t
11
Q
Newton’s Second Law Formula?
A
F = ma
12
Q
Momentum Formula?
A
p = mv
13
Q
Stopping Distance Formula?
A
Stopping Distance = Thinking Distance + Braking Distance
14
Q
Wave Equation Formula?
A
v = fλ
15
Q
Density Formula?
A
ρ = m/V
