Recent content by Su6had1p

  1. Su6had1p

    Variable Mass system : Sand falling into a Freight car

    @TSny @kuruman thanks for your help.
  2. Su6had1p

    Variable Mass system : Sand falling into a Freight car

    Yeah, I just checked somehow i forgot that $$log(a) + log(b) = log(ab) ≠ log(a+b)$$
  3. Su6had1p

    Variable Mass system : Sand falling into a Freight car

  4. Su6had1p

    Coulomb's law to find electric field for charge density function

    No, it would be very difficult, I get your point.
  5. Su6had1p

    Coulomb's law to find electric field for charge density function

    damn!!!! a whole prof. engaging in my doubts ! thanks, and please point out if im conceptually wrong somewhere.
  6. Su6had1p

    Coulomb's law to find electric field for charge density function

    ok, lets apply this formula! what does it change ? as far my thinking goes- this integral simply adds up the product of elemental charges with the function next to them, now take for instance this ##\rho(r')## describes charge density for a sphere of radius ##R##. Now in the interior of the...
  7. Su6had1p

    Coulomb's law to find electric field for charge density function

    @Gordianus ok so here's the question
  8. Su6had1p

    Coulomb's law to find electric field for charge density function

    The volumetric charge density is given as $$\rho(r) = \rho_0 \left(1 - \frac{ar}{R}\right)$$ What shall be the Electric field at any distance ##r## ? My approach was to directly use the coulomb's law and integrate with respect to volume. $$ \mathbf{E}(\mathbf{r}) = \frac{1}{4\pi\epsilon_0}...
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