Question

The centre of mass of a non uniform rod of length l whose mass per unit length

Answer 1

Explanation:

Centre of mass is given by , x =

here it is given that,

mass per unit length ,

so, dm =

=

So, centre of mass , x =

=

=

=

hence, answer is 3l/4

Answer 2

Explanation:

your answer is attached above

hope it helps....