what is the unit of acceleration?

m/s[2]

Acceleration equation

change in speed/time taken or (v-u)/time taken

what is the equation for working out weight?

mass x 9.81 (gfs)

Equation to work out force

mass x acceleration

equation to work out efficiency

useful energy used/total input

equation to work out momentum(2)

mass x velocity

equation to work out wave speed

distance/time

Or

Wavelength x frequency

equation to work out density

mass/volume

equation to work out work done

force x distance moved in direction of force

equation to work out change in gravitational potential energy (AGPE) ^

mass x gravitational field strength x change in vertical height

equation to work out kinetic energy

1/2 x mass x (speed squared)

equation to work out power

- work done/time take

- energy transferred/time taken

energy transferred equation

charge moved x potential difference

charge equation

current x time

potential difference equation

current x resistance

electrical power

current x voltage

or current squared x resistance

force exerted on a spring equation

= spring constant x extension

Equation to work out moment of a force

Force x distance perpendicular to the direction of force

Equation to work pressure

Force normal to surface/area of that surface

Resistance

R = v x I

Ravioli

Voltage x current