Recent content by Chadi B Ghaith

  1. Chadi B Ghaith

    Is Electricity the Same as the Motion of Electrons or Charges?

    There are so many different answers I find on this discussion. As per my point of view, references are good to know more about such things. That is why I prefer to give some reference, so that OP can find some extra information.
  2. Chadi B Ghaith

    Is Electricity the Same as the Motion of Electrons or Charges?

    The same question I found here, http://physics.stackexchange.com/questions/38313/whats-the-difference-between-electron-movement-and-charge-movement-in-electrici You will find exact answer here.
  3. Chadi B Ghaith

    Air velocity inside a pipe (natural convection)

    This equation will help you to solve this: V= Qa/60Pi(d/2)^2 Where, d : Pipe Inner Diameter (m) Qa : Air Flow Rate (Actual) (m³/min) v : Air Velocity (m/s)
  4. Chadi B Ghaith

    What is actually happening to a charge in a magnetic field?

    This will help you for detailed information: http://study.com/academy/lesson/how-magnetic-forces-affect-moving-charges.html http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/movchg.html
  5. Chadi B Ghaith

    I How to find the nth binary permutation?

    I need to complete this. Let's say I have 4 bits with 2 bits set as 1, 0011. The total number of permutations for this number is 0011, 0101, 0110, 1001, 1010, 1100, 6 cases. This can be computed using the calculation. 4! / ((2!)(4-2)!) = 6 Now I want to be able to find the nth sequence, for...
  6. Chadi B Ghaith

    Why heavy cars take more time than lighter cars to stop?

    I only referred this link : https://en.wikipedia.org/wiki/Brake_fade00000
  7. Chadi B Ghaith

    Why heavy cars take more time than lighter cars to stop?

    As per my point of view Mr. Mohamed Essam is right. Because I believe, the breaks convert the kinetic energy into internal energy which is then transferred to the atmosphere by heat. But because a larger vehicle has more kinetic energy the temperature increase of the breaking system is higher...
  8. Chadi B Ghaith

    Moment of Inertia: Proving Mass, Side & Axis | 1/12 md²

    Hi, Yes I know the definition of inertia. What I am asking is how to prove the above statement. I am bit confuse in procedure.
  9. Chadi B Ghaith

    Moment of Inertia: Proving Mass, Side & Axis | 1/12 md²

    I need help to prove that the moment of inertia of a uniform square of mass m and side d about an axis through its centre, parallel to a side is 1/12 md²
  10. Chadi B Ghaith

    B What's the Difference Between Contact Force and the Normal Force

    A normal force is one component of a contact force. Any contact force can be resolved into two components. The force perpendicular to the plane of contact is the normal force. The force in the plane of contact is friction. You can find more information on ...
  11. Chadi B Ghaith

    Understanding Absolute Viscosity - shearing stress

    Thanks Chestermiller. But I have another questions regarding shearing force & viscosity, 1) A fluid is flowing between two layers. Calculate the shearing force if the shear velocity is 0.25 m/s and has length 2 m and dynamic viscosity is 2Ns/m$^2$. 2) What's the physical meaning of these two...
  12. Chadi B Ghaith

    Understanding Absolute Viscosity - shearing stress

    Understanding Absolute Viscosity - shearing stress Hi everyone, I have found information about Absolute viscosity: Coefficient of absolute viscosity is a measure of internal resistance. Dynamic (absolute) viscosity is the tangential force per unit area required to move one horizontal plane...
  13. Chadi B Ghaith

    I Mass Flow Rate Problem: Easy Unite Conversion Tricks

    Oh yes, I accept that. I mistaken here. Thanks for informing me TomHart.
  14. Chadi B Ghaith

    I Real reason why 1 isn't prime?

    May be you are right at your own way, but as per my knowledge the logic is right. It proves 1 is not prime. Still you want any related proofs you can visit this. http://alienryderflex.com/even_prime.shtml After reading this and other books, I have find this logic. If you have other solution for...
  15. Chadi B Ghaith

    I Mass Flow Rate Problem: Easy Unite Conversion Tricks

    Mr. boneh3ad, I think you have misconception. As AshBox is the most amazing site for many scientific conversion tools. Even more it saves time and gives accurate results. There are more than 200 tools are available for any math or science related problems.
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