1.

A stone of mass 2kgis attached to a stringof length 1 meter the sting canwithstand maximum tension200 N what is the m maximum speed that stone can have during the whirling motion ?

Answer»

Solution :GIVEN: Mass of a stone = 2 kg, length of a string = 1 m
Maximum tension = 200 N The force acting on a stone in the whirling motion is centripetal force. Which is provided by tension of the string.
` THEREFORE T_(max) = F_(max) = (mV^2_(max)) `
`200 = (2 xx v^2)/(1)`
` therefore v_(max)^2 = 100`
` v_(max) = 10 ms^(-1)`


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