A particle of mass 21 g attached to a string of 70 cm length is whirled round in a horizontal circle. If the period of revolution is 2s, find the tension in the string.

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 particle of mass m and charge Q is attached to a string of length l. It is whirled in a vertical circle in the region of an electric field E as shown in the figure-5.105.What is the speed given to the particle at the point B,so that tension in the string when the particle is at A is ten times the weight of the particle?

A stone of mass 0.5kg is attached to a string of length 2m and is whirled in a horizontal circle. If the string can withstand a tension of 9N the maximum velcoity with which the stone can be whirled is .

A stone of mass 4 kg is attached to a string of 10 m length and is whirled in a horizontal circle . Calculate the max . Velocity with which the stone can be whirled if the string can withstand a maximum tension of 160 N .

A 100 g weight is tied at the end of a string and whirled around in horizontal circle of radius 15 cm at the rate of 3 revolutions per second. What is the tension in the string?

A stone of mass 4 kg is attached to a string of 10 m length and is whirled in a horizontal circle. The string can withstand a maximum tension of 160 N. Calculate the maximum velocity of revolution that can be given to the stone without breaking the string.

Stone of mass 1 kg tied to the end of a string of length 1m , is whirled in horizontal circle with a uniform angular velocity 2 rad s^(-1) . The tension of the string is (in newton)