A fighter plane is moving in a vertical circle of radius 'r'. Its minimum velocity at the highest point of the circle will be

A particle is moving in a vertical circle. Its

A particle of mass m attached to an inextensible light string is moving in a vertical circle of radius r. The critical velocity at the highest point is v_( 0) to complete the vertical circle. The tension in the string when it becomes horizontal is

A particle of mass m attached to an inextensible light string is moving in a vertical circle of radius r. The critical velocity at the highest point is v_( 0) to complete the vertical circle. The tension in the string when it becomes horizontal is

In a circus, a rider rides in a circular track of radius 'r' in a plane. The minimum velocity at the highest point of the track will be

In a vertical circle the minimum or critical velocity at highest point of path will be

A stone is fastened to one end of a string and is whirled in a verticla circle of radius R. Find the minimum speed the stone can have at the highest point of the circle.

A stone is fastened to one end of a string and is whirled in a verticla circle of radius R. Find the minimum speed the stone can have at the highest point of the circle.

A stone is fastened to one end of a string and is whirled in a verticla circle of radius R. Find the minimum speed the stone can have at the highest point of the circle.

An, aeroplane , flying in the sky, suddenly starts revolving in a vertical circle of radius 4 km. At the highest point of the circle , the pilot experiences weightlessness. Its velocity at the highest point will be