Find the constant speed of the stone

Reference no: EM13247172

1) The centripital force of 45N is required to resolve a stone of mass 100g along a circular path of radius 50cm. Find the constant speed of the stone?

2) A gramophone record is rotating at 90 rpm and a coin of mass 20g is placed at a distance of 10 cm from its centre. What is the centrifugal force acting on the coin?

Reference no: EM13247172

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