how can I calculate the "diameter" of a spiral ? someone told me i need to use Differential or Integral Equations to solve this, but I'm not sure how.
If there is a spiral that it's radius increases by 1 cm for every radian until the radius reaches the size R . how can I calculate the...
To calculate the speed of heat projection we use the next formula:
dQ/dt=A[alpha](T-To)
what is does the [alpha] represents and what is the [alpha] of water?