A small object of mass m = 0.200 kg moves with constant speed in a horizontal ci

Question

A small object of mass m = 0.200 kg moves with constant speed in a horizontal circle on the end of a light string that has length l = 0.600 m, as shown in the sketch. The string makes a constant angle of

A small object of mass m = 0.200 kg moves with constant speed in a horizontal circle on the end of a light string that has length l = 0.600 m, as shown in the sketch. The string makes a constant angle of ? = 40.0 degree with the vertical. What is the tension in the string? What is the magnitude of the acceleration of the mass as it moves in its circular path? What is the period of the motion, the time its takes the ball to complete one revolution?

Explanation / Answer

Along the string, a = g/cos? = 9.8/cos40

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