Question

A ball of mass 100 g is suspended by a string 40cm long. keeping the string taut,the ball describes a horizontal circle of radius 10 cm. find the angular speed

Answer 1

"If v represents the linear speed of a rotating object, r its radius, and ω its angular velocity in units of radians per unit of time, then v = rω.

This is an extremely useful formula: it related these three quantities, so that knowing two we can always find the third.

A ball of mass 100 g is suspended by a string 40cm long. Keeping the string taut, the ball describes a horizontal circle of radius 10 cm. The angular speed is 7.52 rad/s

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Answer 2

Angular Speed = 7.52 rad/sec