What is the outward force acting on a mass of 10 kg when rotating at one end an inelastic string 10m long at speed of 1m/s ?

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A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?

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A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________?

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If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?

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