Can someone please explain to me how to start off this question?(adsbygoogle = window.adsbygoogle || []).push({});

A uniform semicircular lamina has mass M. A is the midpoint of the diameter and B is on the circumference at the other end of the axis of symetry. A particle of mass m is attached to the lamina at B. The centre of mass of the loaded lamina is at the midpoint of AB. Find in terms of pie, the ration M:m .

Some one please help quickly

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Uniform semicircular lamina question

**Physics Forums | Science Articles, Homework Help, Discussion**