A small mass attached to a string rotates on a frictionless table top as shown in Fig. If the tension in the string is increased by pulling the string causing the radius of the circular motion to decrease by a factor of 2, the kinetic energy of the mass will

A small mass attached to a string rotates on a frictionless table top as shown. If the tension in the string is increased by pulling the string causing the radius of the circular motion to decrease by a factor of 2, the kinetic energy of the mass will

A mass m moves in a circle on a smooth horizontal plane with velocity v_0 at radius R_0 . The mass is attached to a string which passes through a smooth hole in the plane as shown.The tension in the string is increased gradually and finally m moves in a circle of radius R_0/2 .The final value of the kinetic energy is : .

A uniform rod of mass 15 kg is held stationary with the help of a light string as shown in Fig. The tension in the string is

A mass m moves in a circle on a smooth horizontal plane with velocity v_(0) at a radius R_(0) , The mass is attached to a string which passes through a smooth hole in the plane as shown. The tension in the string is increased gradually and finally m moves in a circle of radius (R_(0))/(2) . The final value of the kinetic energy is :

Three masses m, 2m and 3m are attached with light string passing over a fixed frictionless pulley as shown in the figure. The tension in the string between 2m and 3m is (g is acceleration due to gravity)

Speed of transverse wave on string is v . If tension is increased by factor of 4 and radius of the string is increased by factor of 2, then the new wave speed will be :

Speed of transverse wave on string is v . If tension is increased by factor of 4 and radius of the string is increased by factor of 2, then the new wave speed will be :

Speed of transverse wave on string is v . If tension is increased by factor of 4 and radius of the string is increased by factor of 2, then the new wave speed will be :

A particle of mass m is rotated in a vertical circle by means of a string . The differnce in the tensions in the string at the bottom and the top of the circle would be

A block of mass 30 kg is suspended by three string as shown in fig, Find the tension in each string.