Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off
Sahay Sir > Question Answers > Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off
In the figure shown, a ball without sliding on a horizontal surface. It ascends a curved track up to a height h and returns. The value of h is h1 for sufficiently rough curved track to avoid sliding and is h2 for smooth curved track, then.
27
Nov
In the figure shown, a ball without sliding on a horizontal surface. It ascends a curved track up to a height h and returns. The value of h is h1 for sufficiently rough curved track to avoid sliding and is h2 for smooth curved track, then. In the figure shown then the initial angular acceleration [...]
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In the figure shown ,
then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
A block of mass m is attached to a pulley disc of equal mass m, radius r by means of a slack string as shown. The pulley is hinged about its centre on a horizontal table and the block is projected with an initial velocity of 5m/s. Find the velocity when the string becomes taut.
27
Nov
A block of mass m is attached to a pulley disc of equal mass m, radius r by means of a slack string as shown. The pulley is hinged about its centre on a horizontal table and the block is projected with an initial velocity of 5m/s. Find the velocity when the string becomes taut. [...]
Tags:
A block of mass m is attached to a pulley disc of equal mass m ,
then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
A small bead of mass m moving with velocity v gets threaded on a stationary semicircular ring of mass m and radius R kept on a horizontal table. The ring can freely rotate about its centre. The bead comes to rest relative to the ring. What will be the final angular velocity of the system?
27
Nov
A small bead of mass m moving with velocity v gets threaded on a stationary semicircular ring of mass m and radius R kept on a horizontal table. The ring can freely rotate about its centre. The bead comes to rest relative to the ring. What will be the final angular velocity of the system? [...]
Tags:
then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
A uniform thin rod of length l and mass m is hinged at a distance l/4 from one of the end and released from horizontal position as shown in Fig. The angular velocity of the rod as it passes the vertical position is
27
Nov
A uniform thin rod of length l and mass m is hinged at a distance l/4 from one of the end and released from horizontal position as shown in Fig. The angular velocity of the rod as it passes the vertical position is then the initial angular acceleration of the board is: (Neglect weight of [...]
Tags:
then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
A string is wrapped around a cylinder of mass M and radius R. The string is pulled vertically upwards to prevent the centre of mass from falling as the cylinder unwinds the string. Find the tension in the string.
27
Nov
A string is wrapped around a cylinder of mass M and radius R. The string is pulled vertically upwards to prevent the centre of mass from falling as the cylinder unwinds the string. Find the tension in the string. then the initial angular acceleration of the board is: (Neglect weight of board) thereby destroying balance [...]
Tags:
then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off, thereby destroying balance, then the initial angular acceleration of the board is: (Neglect weight of board)
27
Nov
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off, thereby destroying balance, then the initial angular acceleration of the board is: (Neglect weight of board) [...]
Tags:
then the initial angular acceleration of the board is: (Neglect weight of board) ,
thereby destroying balance ,
Three children are sitting on a see-saw in such a way that it is balanced. A 20kg and a 30kg boy are on opposite sides at a distance of 2m from the pivot. If the third boy jumps off ,