Pregunta | Respuesta |
Equation for average | Distance moved/Time taken |
Equation for Force | Mass x acceleration |
Equation for acceleration | change in velocity/time taken |
Equation for momentum | mass x velocity |
Equation for density | Mass / volume |
Equation for work done | Force x distance moved |
Equation for kinetic energy | 1/2 x mass x (speed x speed) |
Equation for gravitational potential energy | mass x g x height g = 10 kg on earth |
Equation for weight | mass x gravitational field strength |
Equation for pressure | Force / area Rule=smaller the area bigger the pressure |
Equation for moment | Force x perpendicular distance from the pivot |
Equation for charge | Current x time |
Equation for voltage | current x resistance |
Equation for electrical power | current x voltage |
Equation for wave speed | frequency x wavelength |
n = refractive index | n = sin i / sin r |
sin c c = critical angle | 1 / n |
Equation for efficiency | Useful energy output / total energy input |
Equation for pressure difference | Height x density x g |
Input (primary) voltage / output (secondary) voltage | Primary turns / Secondary turns |
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