Question

a 0.4 kg bead slides on a curved wire starting from rest at point a if the wire is frictionless find the speed of the bead at point B and C

Answer 1

Hey \[\Huge{\color{red}{Welcome\ to\ OpenStudy}\quad\color{green}{\ddot{\smile}}}\]

Answer 2

Is that all the information you are given?

Answer 3

You can use a few methods to solve it, eg equate change in PE with change in KE, or use v^2 = u^2 + 2as...

but the question is missing a diagram it seems.