A body crosses the topmost point of a vertical circle with a critical speed. Its centripetal acceleration, when the string is horizontal will be

A body attached at one end of a string crosses the topmost point of a vertical circle with the critical speed Its centripetal acceleration , when the string is horizontal will be

A mass attached to one end of a string crosses top - most point on a vertical circle with critical speed. Its centripetal acceleration when string becomes horizontal will be (where, g=gravitational acceleration)

A mass attached to one end of a string crosses top - most point on a vertical circle with critical speed. Its centripetal acceleration when string becomes horizontal will be (where, g=gravitational acceleration)

A mass attached to one end of a string crosses top - most point on a vertical circle with critical speed. Its centripetal acceleration when string becomes horizontal will be (where, g=gravitational acceleration)

A body of mass 4 kg is moved in a vertical circle with sufficient speed. Its tangential acceleration, when the string makes an angle of 30^@ with the vertical downward is

A particle crosses the topmost point C of a vertical circle with critical speed , then the ratio of velocities at points A, B and C is