Vertical Circle

A pilot of mass m can bear a maximum apparent weight 7 times of mg . The aeroplane is moving in a vertical circle. If the velocity of aeroplane is 210 m//s while diving up from the lowest point of vertical circle, then the minimum radius of vertical circle should be

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

For a particle rotating in a vertical circle with uniform speed, the maximum and minimum tension in the string are in the ratio 5 : 3. If the radius of vertical circle is 2 m, the speed of revolving body is ( g=10m//s^(2) )

A stone is tied to a weightless string and revolved in a vertical circle of radius 5 m . What should be the minimum speed of the stone at the highest point of the circle so that the string does not slack ? What should be the speed of the stone at the lowest point of vertical circle ? Take g = 9.8 ms^(2) .

A massless string of length 1.2 m has a breaking strength of 2 kg wt . A stone of mass 0.4 kg tied to one end of the string is made to move in a vertical circle by holding the other end in hand . Can the particle describe the vertical circle ? Take g = 10 ms^(-2) .

A body is suspended by a string of length l is projected with horizontal velocity V such that it does not complete the motion in vertical circles.Then the height at which tension becomes is zero is given by?

A block is freely sliding down from a vertical height 4 m on smooth inclined plane. The block reaches bottom of inclined plane and then it decribes vertical circle of radius 1 m along smooth track. The ratio of normal reactions on the block while it crossing lowest point and highest point of vertical circle is

A motor cyclist in a circus , drives in a vertical loop inside a death well . What is the minimum speed required to complete the vertical circle , without falling down to complete the vertical circle , without falling down at the highest point , if the radius of the death well is 5 m?