IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Math => Topic started by: zabady on April 16, 2010, 10:39:06 pm

Title: m2 fast urgent doubt :(
Post by: zabady on April 16, 2010, 10:39:06 pm

three uniform rods ab bc and ac are of length 3m 4m and 5m and have masses 5 kg 4 kg 3 kg respectively they are joined to make a framework calculate the distance of the centre of mass of the frame work a) from ab b) from bc

Title: Re: m2 fast urgent doubt :(
Post by: astarmathsandphysics on April 16, 2010, 10:45:00 pm

gimme few mins

Title: Re: m2 fast urgent doubt :(
Post by: zabady on April 16, 2010, 10:50:10 pm

thx sir

Title: Re: m2 fast urgent doubt :(
Post by: zabady on April 16, 2010, 10:58:01 pm

take ur time im not in a hurry  ;D

Title: Re: m2 fast urgent doubt :(
Post by: astarmathsandphysics on April 16, 2010, 11:00:05 pm

here

Title: Re: m2 fast urgent doubt :(
Post by: zabady on April 16, 2010, 11:14:12 pm

wooooow thxxxx so much i got one last question

a uniform circular lamina of radius 5 unites has its centre at (2,0).two circles are cut away from this lamina one having centre (0,0) and radius 2 units and the other having centre (3,2) and radius 1 unit. calculate the coordinates of the centre of mass of the resulting lamina

Title: Re: m2 fast urgent doubt :(
Post by: astarmathsandphysics on April 16, 2010, 11:43:30 pm

I have done it but cant scan it. I will upload it tomorrow as a pic

Title: Re: m2 fast urgent doubt :(
Post by: astarmathsandphysics on April 17, 2010, 08:30:31 am

http://www.mediafire.com/imageview.php?quickkey=imwkmukojht

Title: Re: m2 fast urgent doubt :(
Post by: zabady on April 17, 2010, 08:40:32 pm

thx sir  ;D  ;D  ;D

Title: Maths p3 help needed
Post by: allah sareej on April 30, 2010, 04:25:16 am

hi  guys i need help in p3 oct/nov 2006 in q6 and q7 part 2
can someone help me out on this??

Title: Re: m2 fast urgent doubt :(
Post by: astarmathsandphysics on April 30, 2010, 06:23:55 am

When i get up