All Mechanics DOUBTS HERE!!!

[abuelzouz]

MJ 09 q 3

part b i get it right. part a noo.. :S can somebody help ? i dnt get the answer like the ms

[Sweet_03]

ya i got 3/7 as well .. but why do we double it ?

[Sweet_03]

MJ 09 q 3

part b i get it right. part a noo.. :S can somebody help ? i dnt get the answer like the ms

3a)

I = -7mu/2
m= 2m
v= ?
u= 2u

I = m(v-u)
-7mu/2 = 2m ( v-2u)
-7u/4 = v - 2u
v = u/4

[abuelzouz]

3a)

I = -7mu/2
m= 2m
v= ?
u= 2u

I = m(v-u)
-7mu/2 = 2m ( v-2u)
-7u/4 = v - 2u
v = u/4

Thanks bt y did u use I in minus?

[Sweet_03]

for A :
I : is in this direction <--
u and v : are in this direction -->

[AL*Eagle]

I need help IN vectors..
I dont understand it

If anyone has a useful link for evector explanation please share it..
I dont have  specific question about it.. i want the whole topic explained

THanks

[Uchia]

young man call me i might help a little

[AL*Eagle]

young man call me i might help a little

imma call u now..

[abuelzouz]

for god's sake.. some1 explain q 6 (d)    jan 2010........................................................!!!!!!!!!!

[abuelzouz]

plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz some1 help my exam is within hours!!!!!!!!!!!!!

[abuelzouz]

51 Guests, 40 Users (1 Hidden)             and no one can answer me?
well thnk u!!

when i need the forum i cnt find it..
im so leavin it.. as if u care abt some1 who leaves or doesnt..
!!

[astarmathsandphysics]

Sorry I had to go out. Guess you dont need that anymore

[7ooD]

m1 exam shouldn't be for as math such an eazzzy relly the best exam ever

[Saladin]

m1 exam shouldn't be for as math such an eazzzy relly the best exam ever

That depends on person to person. Please dont discuss any content of the recent exam.

[abuelzouz]

m1 exam shouldn't be for as math such an eazzzy relly the best exam ever

wttttttttttt? it was haaaaaaaaaaaaaaaaaaaaaaard!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!