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Here you are. Compliment from Miss Rutaba.
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lucky usRutzaba and applepie1996
thank you very much ..... ( there maybe more questions on the way )
and thanks again
awwwwwlyt jane wali in 2 mins... rat tak post krdungi ans insha Allah
ok soCan anyone please solve winter 2012 Question 7 part ii of this winter 2012 paper 33 question. The value of k=10 .Can someone please explain how do we get it?View attachment 23763
same here bro but next year me sab samajh ajae ga xDwow sooo much p3 .. sab sir say guzar raha hai
ahmed abdulla syed1995 A starCHALLENGING QUESTION !!!
i think this question is GOING to come this year and i am 100 % sure !!
so any help ???
A ball is dropped froma height of 2m above a hard floor.
After each bounce , a ball rises to 3/4 of its previous height.
(a) how far has it travelled in total when strikes the ball for the nth term?
(b) show that the ball never travels more than 14 m in total .
i tried my best but never got it !
(a) ans is 14 - 16 * 0.75 ^n metre
if this kind of question apeared only math wiz or a mechanics student wil be able to solve it correctly.ahmed abdulla syed1995 A star
This of pure 1, no Mechanics nor Physics knowledge needed.
as you did,
2(1-0.75^n)/1-0.75
but we also have to multiply with 2, since when a bounces it goes up and down so it travel the distance twice not once, except for the first where it only go down, then bounces..therefore
{[2(1-0.75^n)/1-0.75] x 2} -2
[8-8(0.75^n)] x 2 -2
16 - 16(0.75^n) - 2
14 - 16(o.75^n)
(b) sum of infinity
(2/1-0.75) x 2 -2
8 x 2 -2
16 -2
14.
Well, whenever I solve, I draw a sketch of what the question tells, this help me while solving! In Mechanics nearly every question requires drawing for me.if this kind of question apeared only math wiz or a mechanics student wil be able to solve it correctly.
a better dialogue p3 p3 every where xD. anyway in s1 heres a good one there are 9 pies to be divided between 3 people so that each person gets a odd no of pies. in how many no of ways can they be divided. i know the answerso i am posting it so u guys can solve it and others can get help.wow sooo much p3 .. sab sir say guzar raha hai
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