A set of keys on the end of a string is swung steadily in a

Last updated: 7/30/2022

A set of keys on the end of a string is swung steadily in a horizontal circle. In one trial, it moves at speed v in a circle of radius r. In a second trial, it moves at a higher speed 4v in a circle of radius 4r. In the second trial, how does the period of its motio compare with its period in the first trial? It is one-sixteenth as large. It is 16 times larger. It is one-fourth as large. It is 4 times larger. It is the same as in the first trial.