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Equation for wavespeed

Equation for frequency

Equation for planet speed

Equation for weight

wavespeed(m/s) = frequency(Hz) x wavelength(m)

frequency(Hz) = 1/time period(s)

speed(m/s) = radius(m)/time period(s)

weight(N) = mass(kg) x gravitational field strength(N/kg)

Equation for wavespeed

wavespeed(m/s) = frequency(Hz) x wavelength(m)

Equation for frequency

frequency(Hz) = 1/time period(s)

Average Speed (m/s)

Acceleration (m/s squared)

Force (N)

Weight (N)

Distance Travelled (m) /Time Taken (s)

Change of Velocity (m/s) /Time Taken (s)

Mass (kg) x Acceleration (m/s squared)

Mass (kg) x Gravity (10)

Average Speed (m/s)

Distance Travelled (m) /Time Taken (s)

Acceleration (m/s squared)

Change of Velocity (m/s) /Time Taken (s)

What equation relates current and time…

What is charge measured in?

What is current measured in?

What is time measured in😜?

Charge = current x time (Q = It)

Coulombs (C)

Amperes (A)

Seconds (S)

What equation relates current and time…

Charge = current x time (Q = It)

What is charge measured in?

Coulombs (C)

current (amperes)

potential difference (voltage)

resistance (ohms)

pressure

charge... _____... time

energy... _____... charge

potential difference... ______________... current

force... ____... area

current (amperes)

charge... _____... time

potential difference (voltage)

energy... _____... charge

Efficiency

Work Done

Gravitational Potential Energy

Kinetic Energy

Useful energy / total energy

fs (force, N and distance, m)

Ep = mgh (mass, kg; gravitational field strength, N/kg and he…

Ek = 1/2mv^2 (mass, kg and velocity, m/s)

Efficiency

Useful energy / total energy

Work Done

fs (force, N and distance, m)

What is the formula for Density?

What is the formula for Acceleration?

What is the formula for momentum?

What is the formula for force and mome…

Mass/Volume

(V-U)/T

P(momentum)=M(mass)X V(Velocity)

Force=Change in Momentum/ Time

What is the formula for Density?

Mass/Volume

What is the formula for Acceleration?

(V-U)/T

power(w or J/s) = voltage(v) x current…

power(w or J/s) = energy(c)/time(s)

charge(c) = current(a) x time(s)

voltage(v) = energy(J)/charge(c)

To calculate the power of a circuit

To calculate the power of a circuit using energy

To calculate the charge of a circuit

To calculate the voltage of a circuit using charge

power(w or J/s) = voltage(v) x current…

To calculate the power of a circuit

power(w or J/s) = energy(c)/time(s)

To calculate the power of a circuit using energy

Force

Acceleration

Weight

Extension

F= m x a... F: Force (resultant)... m: Mass... a: Acceleration

change in speed / time taken

W= m x g... W: Weight... M: Mass... G: Gravitational field strength

e = F / K... F: Force... K: Spring constant... E: Extension

Force

F= m x a... F: Force (resultant)... m: Mass... a: Acceleration

Acceleration

change in speed / time taken

Useful output/Total Energy Input

work done = force x distance moved (W…

n = sin i/sin r

n = refractive index

Efficiency Equation

Relationship Between Force, distance and work done

What is the relationship between refractive index , angle of…

n = ?

Useful output/Total Energy Input

Efficiency Equation

work done = force x distance moved (W…

Relationship Between Force, distance and work done