Two spheres of equal masses are attached to a string of length 2 m as shown in figure. The string and the spheres are then whirled in a horizontal circle about O at a constant rate. What is the value of the ratio:

Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibruim, then

Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then

Two masses m and M are attached to the strings as shown in the figure. If the system is in equilibrium, then

A stone of mass 250 gram , attached at the end of a string of length 1.25 m is whirled in a horizontal circle at a speed of 5 m/s . What is the tension in the string ?

A sphere of mass 0.1kg is attached to an inextensible string of length 1.3m whose upper end is fixed to the ceilling The sphere is made to describe a horizontal circle of radius 0.5m Calculate time period of revolution and tension in the string .

If a stone tied at the one end of a string of length 0.5 m is whirled in a horizontal circle with a constant speed 6 ms^(-1) , then the acceleration of the stone is