Qualification > Sciences

ALL PHYSICS DOUBTS - POST HERE !!

<< < (376/480) > >>

Vin:

--- Quote from: lmfao on May 26, 2010, 12:59:57 pm ---not giving

--- End quote ---

what answer r u getting ?? n which angle r u measuring ?? nothings given in the ms means the examiner will check according to what u hav done

lmfao:
thanks

MasterMath:

--- Quote from: Ari Ben Canaan on May 26, 2010, 12:35:48 pm ---Can you explain how PE and KE of water molecules change when evaporation occurs ?

--- End quote ---
When your adding heat for the water to evaporate .. First of all it happens at a constant temperature .. and we all know that Average K.E isProportional to Temp .. so K.E does not increase while evaporation is taking place because the temperature is constant .. but what happens to the heat we are adding? The heat we are adding is to provide G.P.E to the molecules so they can overcome the forces of attraction between the molecules of the liquid and thus leave the surface of water and then end up having much more G.P.E in the gas state.
Hope this helps!

Vin:

--- Quote from: 8T on May 26, 2010, 01:09:18 pm ---Yes Vin it says that in the mark scheme but why for Q does it point to the left could you explain ..??

--- End quote ---

ok .. remember ALWAYS a compass North (compass point) points in the SAME direction as the direction of current .. This is Oersted's Discovery

8T:

--- Quote from: ~VIN1094~ on May 26, 2010, 01:18:38 pm ---ok .. remember ALWAYS a compass North (compass point) points in the SAME direction as the direction of current .. This is Oersted's Discovery

--- End quote ---
OOOOOH!
I knew that it just slipped..
Many thanks Bud (:

Navigation

[0] Message Index

[#] Next page

[*] Previous page