Paper 1 Formulas Flashcards
1
Q
What is the formula for GPE?
A
Ep = mgh
2
Q
What are the formulas for power?
A
- P = W/t
- P = E/t
- P = IV
- P = I2R
3
Q
What is the formula for efficiency?
A
efficiency = useful P output / total P input
efficiency = useful output energy / total input energy
4
Q
What is the formula for charge flow?
A
Q = It
5
Q
What is the formula for density?
A
density = m/V
6
Q
What is the formula for KE?
A
Ek = 0.5mv2
7
Q
What is the formula for PD?
A
V = IV
8
Q
What is the formula for energy transferred? (electricity)
A
E = QV