Physics flashcards
What is the formula for efficiency?
Efficiency = useful power/total power
What is the formula for acceleration?
Acceleration = change in velocity / time
What is the formula for density?
Density = Mass/volume
What is the formula for spring extension?
1/2 Spring constant x Extension²
What is the formula for power
Power = work done / time
What is the formula for charge?
Charge = Current x time
What is the formula for Distance
Distance = speed x time
What is the formula for momentum?
Momentum = Mass x velocity
What is the formula for kinetic energy?
Kinetic energy = 1/2 mass x velocity²
What is the formula for wave speed?
Wave speed = frequency x wavelength
What is the formula for GPE (gravitational potential energy)
GPE = Mass x height x Gravitational field strength
What is the formula for pressure?
Pressure = Force / area
What is the equation for the volume and pressure in 2 gases provided the temperature is constant?
p₁ x v₁ = p₂ x v₂
What is the formula for specific latent heat of fusion?
Specific latent heat of fusion = Energy / mass
What is the formula for specific latent heat of vaporization?
Specific latent heat of Vaporization = Energy / mass
What is the formula for power including resistance?
Power = current² x resistance
What is the formula of moment (the turning effect of a force)
Moment = force x distance from a pivot
What is the formula for weight?
Weight = Mass x gravitational field strength
What is the formula for P.D including resistance (potential difference)
P.D = Current x resistance
What is the formula for energy/work done including power?
Energy = Power x time
What is the formula for energy including charge?
Energy = charge x P.D
What is the formula for power including current?
Power = current x P.D
What is the formula for work done in terms of displacement?
Work done = Force x displacement
