5378964
Descrição
FlashCards por Carmen Trinh, atualizado more than 1 year ago
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Criado por Carmen Trinh
mais de 8 anos atrás
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| Questão | Responda |
| What is the equation for wave speed? | V= f Lambda V= velocity of wave (m/s) f= frequency Hz lambda= Wavelength m |
| What are the equations for time period? | T= I/f or f= 1/T Where T is time and f is frequency |
| What are the equations for efficiency? | Efficiency = Useful Energy Output (J) / Total Energy Input (J) (x100%) OR Efficiency= Useful Power Out (W) / Total Power In (W) (x100%) |
| What is the equation for power? | Power (W) = Energy Transferred (J) / Time taken (s) |
| What is the equation for specific heat capacity? | E = m x c x theta Where E= Energy (J) m= mass (kg) c= specific heat capacity (J/kg*C) theta= Temperate change (*C) |
| What is the equation for current? | I = Q / t Where ! = Current (A) Q = Charge (Coulombs, c) t= time (s) |
| What is the equation for voltage? | V = E/Q Where V= Voltage (V) E= Energy (J) Q = Charge (Coulombs, c) |
| What is the equation for resistance? | R = V / I Where R = Resistance (Ohms) V = Voltage (V) I = Current (A) |
| What is the equation for speed? | Speed (m/s) = Distance (m) / Time (s) |
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