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A stone of mass 4 kg is attached to a st...

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.

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SL ARORA-Laws of Motion-Exercise
  1. A body of mass 10 kg is placed on an inclined surface of angle 30^(@) ...

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  2. A particle of mass 21 g attached to a string of 70 cm length is whirle...

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  3. A stone of mass 4 kg is attached to a string of 10 m length and is whi...

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  4. A 100 g weight is tied at the end of a string and whirled around in ho...

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  10. A cyclist riding at a speed of 14sqrt(3) ms^(-1) takes a turn around a...

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  11. A cyclist speeding at 6ms^(-1) in a circle of 18 m radius makes an ang...

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  12. A motor cyclist goes round a circular race course of diameter 320 m at...

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  18. A 2000 kg car has to go over a turn whose radius is 750 m and the abgl...

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  19. A body weighing 0.5 kg tied to a string is projected with a velocity o...

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  20. A body weighing 0.5 kg tied to a string is projected with a velocity o...

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