Qualification > Sciences

phy p2 doubts =\

(1/3) > >>

Twinkle Charms:
M/J07 Q3 c(ii)

paper is attached.

Twinkle Charms:
also in Q4 a(ii) [same paper attached] why do we add the P.E. and K.E here? they asked total kinetic energy so umm whats potential energy doing? =\

vserian:
potential energy is converted into KE when it falls down.
since there is a KE at the top ther will be anothe KE when it reach the sea and that KE is equal to the PE
so total is KE plus PE

Twinkle Charms:
aite thx vserian

so Q3 still unanswered =\

in same paper M/J07 Q4d(i) and (ii)


O/N07 Q1 b , how to calculate the uncertainty, im gettin 6.9*10^-3 whereas in ms it says 0.009 ..??

this paper is attached to the post..

astarmathsandphysics:
3a)density=mass/volume
bi)mass=Ahp
bii)pressure=force/area=mg/A=Ahpg/A=hpg
ci)volume=mass/density so if masses are the same, colume of water vapour/volume of water=1/(1/1600)=1600
ii)cube root(1600)=11.7 remeber that volume =l^3 so l=cube root of volume
di)they have the same density
ii|)high melting point
iii)cannot deform easily, unlike liquids

Navigation

[0] Message Index

[#] Next page