A sphere fo  mass  m  makes  SHM in a hemispherical  bowl  ABC and it moves
Channel: Doubtnut
Date: 2020-05-17

A sphere fo  mass  m  makes  SHM in a hemispherical  bowl  ABC and it moves  from A to  C and  back  to A via ABC,  so  that PB = h. If acceleration due   to  gravity  is  g,  the speed  of  the ball  when it just  crosses  the point  B is